Duen Yih Metal Industrial Co., Ltd.
Duen Yih Metal Industrial Co., Ltd.
🇹🇼 Taiwan, Changhua
197311-50 peopleManufacturer/Trading Company/WholesalerDuen Yih Metal Industrial Co., Ltd. is a premier manufacturer of high-quality door hardware and lock solutions headquartered in Changhua City, Taiwan. Established in 1973, the company has grown from a small workshop into a specialized manufacturer with production facilities in both Taiwan and Shanghai, China. With over 50 years of industry experience, the company operates under its own brand name, DANDY, while also serving as a robust partner for OEM and ODM projects. Their workforce of 11 to 50 employees manages a diverse portfolio of over 1,000 product types, ranging from traditional mechanical locks to advanced electronic and smart home security solutions.
The company's extensive product range includes heavy-duty mortise locks, leversets, knobsets, deadbolts, tubular latches, and pocket door locks. They specialize in high-performance materials such as solid brass, stainless steel, and zamak. Notable innovations include their award-winning electronic mortise locks, which have received the IF Product Design Award and Taiwan Excellence Award. Their components, such as lock cases, face plates, and strike plates, are widely utilized across residential, hospitality, and public construction sectors.
Duen Yih Metal Industrial maintains rigorous quality standards, holding ISO 9001 certification and UL listings, including 3-hour fire resistance ratings and ANSI Grade 1, 2, and 3 compliance. As a significant player in international trade, the company exports to over 30 countries across North America, Europe, and Southeast Asia. Their global client base includes industry leaders such as Emtek Products and Assa Abloy, reflecting their reputation for reliability and engineering excellence in the global security hardware market.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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Products
Products
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Tubular Entrance Lock W/Solid Brass Grip Handle & Knob
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Heavy Duty Tubular Dead Bolt
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Ul Fire Rated Mortise Lock
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Heavy Duty Tubular Latch W/ Dead Bolt Lock
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Solid Brass Grip Handle, W/Lever Handle Set
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Customers
PENTAMASTER
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Certifications
ISO 90012
UL5
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Tseng Yih Industrial Co., Ltd.
🇹🇼 Taiwan
198651-100 peopleManufacturer/Trading CompanyEstablished brand
ODM manufacturer
Product customization
Multinational enterprise
Shipments
3
Key customer
SENSOURCE
Key market
🇯🇵 Japan
Description
Tseng Yih Industrial Co., Ltd. is a manufacturer and trading company based in Changhua, Taiwan, established in 1986. With 51-100 employees and an annual revenue between USD 2,000,001 and 5,000,000, the company specializes in high-quality aluminum and zinc alloy die casting products. They offer comprehensive OEM and ODM services, covering the entire production process from CAD design and tool making through casting, CNC machining, surface finishing, packing, and shipping. Their manufacturing capabilities include die casting, investment casting, sand mold casting, stamping, CNC milling, forming, finishing, heat treatment, assembly, and welding. Tseng Yih Industrial Co., Ltd. is ISO 9001 certified and focuses on foreign markets, with 65% of its products exported to Japan, and other exports to the USA and Europe. Their product portfolio includes compressor parts, nailers, staplers, connecting rods, mower parts, yacht parts, clutch drums, and CNC machine components, serving industries such as automotive, motorcycle, health & medicine, manufacturing machinery, and transportation.
Compressor Parts$100
Aluminum Die Casting Products
TUNG JUI YIH ENTERPRISE CO., LTD.
🇹🇼 Taiwan
199411-50 peopleManufacturer/Trading Company/Service Company/WholesalerEstablished brand
Own brand
OEM manufacturer
ODM manufacturer
Key market
Asia
Description
TUNG JUI YIH ENTERPRISE CO., LTD. is a professional manufacturer and trading company based in Hemei Township, Taiwan. Established in 1994, the company has over 30 years of experience specializing in high-quality metal hardware and building materials. Operating with a workforce of 11 to 50 employees and multiple factory locations in Changhua County, the firm provides comprehensive OEM and ODM services, including one-stop solutions from product design and assembly to final shipping.
Customize Door Handle Safety Door Lever Handles with Apartment Interior Door Pull Handle Bedroom/Bathroom$7
The Best Quality Taiwan Brand Hardware Safety Customize Door Handle With Key Lock for Sale$2
Wholesale Customized Antique Brass Metal Parts High Precision Hot Forged for Industry Use Stainless Steel Material Wire EDM$0.5
Best Sale Customized Modern Style Kitchen Furniture Durable Drawer Handles for Export$2
The Best Quality Customized Kitchen Furniture New Design Brass Door Handle for Wholesale Export$3
Hot Selling Made in Taiwan Modern Style Kitchen Cabinet Handles New Design for Sale$3
Excellent Quality Modern Style Furniture Handle Cabinet Dresser Drawer Door Knobs for Sale$2
Best Quality Custom Metal 3D Model High Precision Durable CNC Machining Best Stainless Steel Brass Milling Wire EDM Broaching$0.5
Hot Selling Made in Taiwan Precision Metal Stamping Product Sheet Metal Stamping Parts for Industry$1.55
Hot Selling Modern Luxury Zinc Cabinet Handle New Design Furniture Hardware for Drawer for Hotel Apartment Bathroom Export$2
Wholesale Modern Zinc Alloy Safety Door Lever Handles Brass Material Pull Handle for Bedroom/Bathroom Window Home Interior Use$3
Customize Bathroom Brush Single Toilet Towel Ring Stainless Steel Bath Wall Hand Towel Holder Shelf Rack Self Adhesive Towel Bar$1
