Best Polymer Manufacturing Company Suppliers

Transpo Industries, Inc.

🇺🇸 United States

1968

11-50 people

Manufacturer/Distributor/Trading Company

Established brand

OEM manufacturer

Industry association member

Multinational enterprise

Shipments

Key customer

ARKANSAS DEPARTMENT OF TRANSPORTATION

Key market

🇺🇸 United States

Description

Transpo Industries, Inc., established in 1968 and headquartered in New Rochelle, New York, is a premier manufacturer and distributor specializing in engineered safety products and materials for transportation infrastructure. With over 50 years of industry expertise, the company provides innovative solutions for the construction, repair, and rehabilitation of roads, highways, bridges, and airports. Transpo operates through three specialized divisions: Road Safety Products, Infrastructure Materials, and Distribution of energy absorption systems. The company's extensive product portfolio includes MASH-tested and FHWA-approved safety devices such as Pole-Safe® and Break-Safe® breakaway support systems, Screen-Safe® glare screens, and various crash cushions and impact attenuators. Their materials division offers high-performance polymer concretes (T-17), concrete sealers, waterproofing membranes, and Color-Safe® durable pavement markings for bike lanes and airfield safety. Additionally, they manufacture Visi-Barrier® precast polymer concrete panels and Blast-Safe™ jet blast barriers for aviation environments. As an OEM manufacturer with a dedicated factory, Transpo Industries serves a diverse global clientele, including the Federal Highway Administration (FHWA), U.S. Army Corps of Engineers, and numerous state departments of transportation across the United States and Canada. The company is recognized for its technical leadership in high-friction surface treatments and asphalt bonding agents, maintaining a robust supply chain that supports international trade and large-scale infrastructure projects.

T-17 Polymer Concrete

Precast Polymer Concrete Barrier Panel

T-17 Polymer Concrete

Qingdao Highonour Chemical Tech Co., Ltd.

🇨🇳 China

2011

11-50 people

Manufacturer/Trading Company

High-tech enterprise

Eco-friendly supplier

OEM manufacturer

ODM manufacturer

Shipments

Key customer

SUPERBUILD

Key market

Asia

Review

Liquid Acrylic Polymer Emulsion for Rust Proof Metal Coatings$1400

Hard Type Acrylic Polymer Fiberglass Fabric Sizing Adhesive$1200

Copolymer Dust Control Styrene Acrylic Emulsion Polymerization Adhesive$1.39

Waterborne Acrylic Polymer Emulsion for Road Building Soil Stabilization$1800

Water-Based Acrylic Polymer Liquid for Wood Primer Coatings$1550

Waterborne Acrylic Polymer for Caulk Filling Sealants$1400

Aqueous Polymeric Wet Curtain White Glue$750

Waterborne Styrene Acrylic Polymer Binder for Textile Printing Inks 25085-34-1$1.45

acrylic Polymer for Non Woven Bag Ink$0.86

Water Based Chemical Materials Acrylic Polymer Adhesive for Waterproof Paint$1.21

Water-Based Styrene Acrylic Polymer for Wood Coating$1550

Road Building Soil Stabilizer Acrylic Polymer Emulsion Binder$1800

Hangzhou Leyi New Material Technology Co., Ltd.

🇨🇳 China

2015

11-50 people

Manufacturer/Trading Company

Own brand

Product customization

Patented technology

High-tech enterprise

Shipments

Key customer

BIZDENT

Key market

Europe

Review

4.8

LEYI High Hardness Dental Surgical Guide Resin Crystal Like High Precision Ash-Free Low Shrinkage Polymer SG Resin$14.9

LEYI DMH02 Custom Dental Aligner 3D Printed Resin Models High Quality Polymer 3D Printer Resin for Dental Use OEM Service$14.9

LEYI 3D Grey Dental Model Molds 1kg MOQ Liquid Synthetic Resin Polymer for Dental Clinics & School Laboratories DMH02$14.9

LEYI High Wax Plus Castable Resin 1kg & 0.5kg for Jewelry Polymer$40

LEYI 1000ML Water-Washable UV Resin Model Direct Source 3D Dental Printing Synthetic Polymer From Factory Direct Sales$14.9

LEYI 1kg MOQ 3D Grey Dental Model Molds Liquid Synthetic Resin Polymer for Dental Clinics School Laboratories Polymer Model$14.9

LEYI 3D Printing Resin One-of-a-Kind Hard Flexible Dental Splints Nightguards for DLP LCD 3D Printer Polymer Product Category$110

LEYI 3D Printer Resin Clear Synthetic Polymer Resin for Dental Retainers and Splints Liquid Teeth Model for Surgical Guide$70

DMO03 Dental 3D Resin Universal Polymer for All Dental Devices for 3D Printing in Dentistry$23

LEYI 3D Synthetic Resin 1kg Minimum Order Liquid Photopolymer Jewelry Casting Resin High Wax Super Easy Cast Polymer Product$40

LEYI High Precision 3D Printer UV Resin Green Synthetic High Wax 405Nm Fast Curing Solid Jewelry Casting Castable Polymer$40

LEYI 405nm Grey UV Curing Photopolymer Resin 3D Dental Implant Model Dental Lab Clinic Tool for Polymer Clinic$23

Taizhou Huadong Insulated Material Co., Ltd.

🇨🇳 China

1994

101-200 people

Manufacturer

Established brand

OEM manufacturer

Product customization

Patented technology

Shipments

167

Key customer

ALUMA FORM

Key market

🇺🇸 United States

Description

Taizhou Huadong Insulated Material Co., Ltd. (THIM) is a leading manufacturer and OEM specializing in epoxy fiberglass pultruded products and composite insulators. Established in October 1994 and based in Taizhou, China, the company operates a specialized factory with a workforce of 101 to 200 employees. THIM is recognized as one of China's largest producers of insulator core rods and composite insulators, serving critical sectors including power and electronics, building materials, automotive, and environmental protection. The company's extensive product portfolio includes suspension, pin, post, and cross-arm composite insulators ranging from 10kV to 750kV, as well as silicone rubber insulators, cutout fuses, and line fittings. Their pultrusion capabilities produce high-strength epoxy fiberglass rods (E-glass and ECR), tubes, ducts, and various structural profiles such as I-beams, gratings, and ladders. These products are manufactured using advanced pultrusion, winding, and VATRTM technologies, known for their lightweight, corrosion-resistant, and high-insulation properties. THIM is ISO 9001:2000 certified and maintains rigorous quality standards, with products conforming to international benchmarks including IEC, ASTM, ANSI, GB, and DL. Since importing advanced pultrusion systems from the United States in 1995, the company has focused on technological innovation, developing its own intellectual property and specialized machinery. With a strong R&D foundation and comprehensive inspection equipment, THIM exports its products to international markets across North America, South America, and Eastern Europe.

High strength electrical silicon composite polymer insulator for railway$5

China Factory Polymer 11KV Tension Insulator$5

Cheap Composite Polymeric Insulator 25KV Post Insulator$5

High Voltage Electrical Power Composite Polymeric Suspension Type Insulators Polymer Insulator$12.5

Power transmission 110kv 100kn polymer ball and socket insulator$5

138KV High Voltage Long Rod Polymer Composite Suspension Insulators$5

Composite Polymer Suspension Insulator Types Electrical insulator price$12.5

Fiber glass polymer housed socket suspension composite polymer insulator for 220 kv line$5

China Clevis Tongue Type End Fitting Clevis Fitting$5

High tension 35kv 5kn composite cross arm insulator in power distribution$5

Outdoor distribution electrical 10kv rubber silicon cross arms insulator$5

2024 The latest semi-finished insulator parts Glass fiber round rod with metal end fittings$5

Foshan Kater Adhesives Industrial Co., Ltd.

🇨🇳 China

1999

301-500 people

Manufacturer/Trading Company/Wholesaler/Distributor

Established brand

OEM manufacturer

ODM manufacturer

Own brand

Shipments

Key customer

SEVEN FORTY

Key market

South America

Review

4.9

Hot Sale 27+ Years MS Polymer Sealant 977 OEM ODM Transparent$1.38

High Performance Ms Polymer Adhesive Sealant$0.68

Champagne Color Mould Proof High Hardness Fadeless Waterproof Polymer Grout$4.69

KASTAR 976 Waterproof MS Polymer Sealant for Construction$0.98

OEM ODM 27+ Years MS Polymer Sealant KASTAR 976 Waterproof Weatherproof$0.98

Factory Outlet 27+ Years Fast Cure MS Polymer Sealant KASTAR 973 High Quality$0.98

Factory Outlet MS Polymer Sealant 977 Weatherproof Low Price$1.38

High Quality 27+ Years Fast Cure MS Polymer Sealant KASTAR 973 Waterproof$0.98

Professional MS Polymer Sealant KaStar 988 High Tack Adhesive$0.98

KASTAR 966 High Temperature Resistance MS Polymer Sealant$0.98

No Shrinkage Anti-Mildew Crystal Clear Ms Polymer Sealant Ms Glue Adhesive$0.98

Ms Polymer Weather Proof Silicone Sealant$0.68

Qingyuan Kelinda New Materials Co., Ltd.

🇨🇳 China

2019

11-50 people

Manufacturer/Trading Company

High-tech enterprise

Patented technology

Eco-friendly supplier

OEM manufacturer

Key customer

AMWAY

Key market

North America

Description

Qingyuan Kelinda New Materials Co., Ltd. is a high-tech manufacturer and trading company based in Qingyuan, China, specializing in the development and production of advanced water-based coating resins. Established in 2010, the company operates a dedicated factory with multiple production lines and maintains a strong focus on R&D, led by a technical team with academic ties to Guangzhou University. Their core product portfolio includes water-soluble silicone acrylic, epoxy modified silicone, and polyester modified silicone resins, which serve as essential film-forming materials for metal baking, glass baking, and insulating coatings. The company also provides water-based curing agents, adhesion promoters, and specialized resins for wood and plastic applications. Kelinda's high-performance materials are utilized in diverse industries, ranging from aluminum alloy production to premium cosmetic packaging for global brands such as L'OREAL Paris and Amway. As an ISO 9001 and ISO 14001 certified enterprise, the company holds several invention patents and has received provincial awards for scientific and technological progress. Beyond material supply, Kelinda offers comprehensive technical solutions, including formulation and baking process support, to meet specific industrial requirements.

Factory Hot Sale TG1602 Epanthmodifed Water Soluble Resin Polymer for Paint Film$3.41

Hot Sale Organic Silicon Modified Water-Soluble Resin Good Adhesion and Water Resistance Premium Polymer Product$3.41

Best Price on High Quality P2232-F Bisphenol F Epoxy Ester Industrial Grade Polymer$4.41

Factory Wholesale Bisphenol F Epoxy Ester Reinforced Fiber Glass Raw Material Polymer$4.41

Organic Silicon Modified Water-Soluble Resin Good Water Resistance Polymer for Wood Premium Product from Trusted Suppliers$3.27

Industrial Grade Organic Silicon Modified Water-Soluble Resin Film Paint for Glassware Direct Factory Price Polymer Product$2.62

China Manufactured TG1602 Epanthmodifed Water Soluble Polymer Watersolubhe Resin for Metal Baking Paint$3.41

Premium Organic Silicon Modified Water-Soluble Resin High Adhesion Polymer Primer for Wood Primer for Wood Surface Treatment$3.27

Factory Supply Yellowish Liquid T2418 Branchedhydroxyl Water-Soluble Resin for Glassware Paint Film$2.89

Wholesale High Gloss Alkyd Oil Wood Paint Resin-Based Varnish Coating for Furniture Spray Application$3.27

Factory Wholesale Good Price Ty2435 Milky White Fullness Thixotropic Dispersion$2.73

Factory Wholesale KWS2115 Organic Silicon Modifiedwater-soluble Resin Water-soluble Resin with General Industrial Grade$3.27

Beizhen City Liyuan Polymer Clay Co., Ltd.

🇨🇳 China

2012

51-100 people

Manufacturer/Trading Company

OEM manufacturer

ODM manufacturer

Product customization

Eco-friendly supplier

Shipments

Key customer

4CATS ENTERPRISE

Key market

North America

Description

Beizhen City Liyuan Polymer Clay Co., Ltd. is a professional manufacturer and trading company established in 2012, based in Jinzhou City, Liaoning Province, China. Specializing in the arts, crafts, and DIY toy market, the company has built a strong reputation for producing high-quality polymer clay, super light clay, air-dry modeling clay, and slime. Their extensive product portfolio also includes modeling clay kits, chenille stems, pipe cleaners, acrylic paints, and educational toys such as building blocks and archaeological excavation kits. The company operates with a workforce of 51 to 100 employees and maintains an annual revenue between US$2.5 million and US$10 million. As a versatile supplier, Beizhen City Liyuan Polymer Clay Co., Ltd. offers comprehensive OEM and ODM services, catering to diverse client needs through custom manufacturing, design, and buyer label services. Their production capabilities are supported by a factory that adheres to quality standards, holding FSC certification for sustainable sourcing. The company is a verified supplier on major B2B platforms and has established a significant international presence, exporting to key markets including the United States, Canada, Australia, Germany, the United Kingdom, and France. They serve a variety of clients ranging from major art supply brands like Arteza to international retailers and e-commerce businesses, providing both retail-ready products and bulk wholesale solutions.

32-Color 10G Fun and Educational Clay Set Customized Color Box Packaging for Polymer Clay$1.6

Hello Good Energy Technology Co., Ltd.

🇨🇳 China

2013

101-200 people

Manufacturer/Trading Company

OEM manufacturer

Custom packaging

Industry association member

ODM manufacturer

Key customer

BRIGHTEN

Key market

Asia

Description

Hello Good Energy Technology Co., Ltd. is a professional manufacturer and trading company based in Liaocheng, China, specializing in the production of innovative educational toys and art supplies. Established in 2013, the company operates an extensive 6.67-hectare independent factory equipped with 120 advanced production lines, including German precision injection molding and Japanese automated systems. With a workforce of 101 to 200 employees and an investment exceeding 180 million yuan, the company maintains an annual output of over 20,000 tons. Their core product portfolio includes a wide variety of non-toxic materials such as ultra-light clay in multiple color sets, polymer clay, high-density clay, PCL thermoplastic crystal clay, and pottery clay. Additionally, they offer squishy slime toys, crystal mud, cream glue, plasticine, sand toys, and chenille stems. As an ODM and contract manufacturer, Hello Good Energy Technology provides comprehensive customization services, including design-based and sample-based development. The company is committed to high quality and safety standards, holding ISO 9001, CE, and CPC certifications, and implements rigorous quality control measures such as raw-material traceability and on-site inspections.

Educational Supplies Polymer Clay for Modeling Polymer Clay for Molding and Baking Clay Sculpture$1.6

Educational Supplies Polymer Clay for Modeling Baking Clay Sculpture Playdough & Slime for Creative Expression$1.6

50pcs Realistic PVC Dinosaur Figures with Large Dino Egg Storage Box Christmas Gift Toys for Kids Age 5-7 Years$9.2

Christmas Gift New Hot Popular 120 Songs Singing Super Soft Dancing Cactus Toy Repeat What You Say Toys for Children$1.2

Handmade Crochet Knitted Sunflower Bouquet Pot Heartfelt Note Wholesale Artificial Flowers for Christmas Day Sewing Weaving Toys$2.35

Baby Girl Floral Hair Bands Infant Hair Accessories and Bows Toddler Headwear Newborn Headbands$1.08

Christmas Gift 120-song Electronic Dancing Cactus Plush Toy Recorder Twisting Singing Electric Dancing Cactus Toy.for Kids$1.2

Hot Selling Simulation Decoration Cream 100g Cream Glue Mobile Phone case Mirror Decoration Cream Glue$0.23

Crystal Cream Glue 50g Playdough Cream Adhesive Eco-Friendly Light Whipped Glue for DIY Craft Phone Case Decoration$0.24

High Quality Customizable Anti-Stress Silicone Ball Toy TPR Gel Soft Stress Relief Squishy Slow Rising Colorful Plastic Ball for$0.05

2025 Adorable Shiba Inu Silicone Squishy Floppy Lying Rubber Toy for Stress Relief Squeeze Venting Gift for Teens Adults$0.42

Crystal Cream Glue 50g Playdough Cream Adhesive Eco-Friendly Light Whipped Glue for DIY Craft Phone Case Decoration$0.24

Changzhou Melic Decoration Material Co., Ltd.

🇨🇳 China

2017

101-200 people

Manufacturer/Trading Company

High-tech enterprise

Low MOQ

Eco-friendly supplier

Shipments

476

Key customer

POLYMERSHAPES

Key market

North America

Review

3.7

China Factory Environmentally Friendly 3D Pass Light Polymer Strips for Led Channel Letter Sign$42.45

Chinese Manufacture 3D Light Letter Side Black Light Pass Strips 1mm Thickness ABS Material 7cm Width High Polymer Strips$42.45

Chinese Production Stainless Steel Mirror 13mm 19mm 25mm 40mm Aluminum Standoffs for Acrylic Board Signs$0.31

Factory Wholesale Channel Letter Trim Cap Strip with High Light Transmittance$42.45

Low MOQ Logo 3d Side Light Pass Strips ABS Material AB Glue Bonding Without Bending Machine 100m Length$40.91

Machine Lettre Led 3d Plastic Edge Trim 3-d Lit Letters Sign Indoor Hand Making Channel Letter Materials$40.91

Easy Bending Waterproof 3cm 3D Light Box Letter Sign Channel Letter Side White Pass Strips$42.45

Aluminium Alloy Anodized Surface Sign Standoffs for Glass Fixing and Advertising 15mm 19mm 25mm$0.31

Aluminum Mirror 13mm 19mm 25mm 40mm Standoffs for Signs Channel Letter Materials$0.31

Aluminum Mirror 13mm 19mm 25mm 40mm Standoffs for Signs Acrylic Board Customized Size$0.31

Shanghai Sepna Chemical Technology Co., Ltd.

🇨🇳 China

2010

101-200 people

Manufacturer/Trading Company

OEM manufacturer

ODM manufacturer

Own brand

Product customization

Shipments

245

Key customer

CATERPILLAR

Key market

South America

Description

Shanghai Sepna Chemical Technology Co., Ltd. is a professional manufacturer and solution provider specializing in advanced adhesives and sealants. Established in 2010 and headquartered in Shanghai, the company operates a 20,000-square-meter production facility in the Qidong High-tech Zone, Jiangsu Province. With a workforce of approximately 100 to 200 employees, including a dedicated R&D team of over 20 technical experts, the company focuses on the research, development, and production of high-performance materials for demanding industrial applications.