Kunshan PTC International Co., Ltd.
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Kunshan Crystal International Trading Inc.
🇨🇳 China
201051-100 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Product customization
Patented technology
Shipments
43
Key customer
MOLIN
Key market
🇬🇧 United Kingdom
Description
Kunshan Crystal International Trading Inc., also known as Kunshan Crystal Culture Co., Ltd., is a professional manufacturer and trading company based in Kunshan, China. With nearly 20 years of experience in the stationery industry, the company operates a factory spanning up to 10,000 square meters with six production lines. They specialize in the development and supply of innovative writing instruments and office supplies, including erasable gel pens, ballpoint pens, mechanical pencils, and highlighters. Their extensive product portfolio also features correction products, sticky notes, school bags, and home accessories.
As a versatile B2B partner, the company offers comprehensive one-stop supply chain solutions, including product design, raw material procurement, and quality control. They provide OEM and ODM services and have secured technical advantages in proprietary products such as erasable refills. Their commitment to quality and reliability has led to established cooperative relationships with global brands such as Bic, Papermate, M&G, and Faber-Castell.
Kunshan Crystal International holds independent import and export rights and maintains a strong international presence, with significant trade activity in North America, Europe, Peru, Russia, and India. The company is dedicated to delivering high-quality daily consumer products while focusing on innovation, sustainability, and professional procurement service platforms.
Solid Highlighter Marker (TLSH0001) (HM102351)$0.19
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Suzhou PTC Optical Instrument Co., Ltd.
🇨🇳 China
11-50 peopleManufacturerODM manufacturer
Own brand
Patented technology
High-tech enterprise
Shipments
111
Key customer
LENS
Key market
🇻🇳 Vietnam
Description
Suzhou PTC Optical Instrument Co., Ltd. is a leading Chinese manufacturer and OEM provider specializing in the design and production of Automatic Optical Inspection (AOI) equipment. Based in Suzhou with a wholly owned subsidiary in Shenzhen, the company employs between 11 and 50 professionals and operates its own factory facilities. The firm integrates machine vision, precision machinery, optical imaging, and big data processing to replace manual inspection processes and enhance production efficiency for its clients. Their extensive product portfolio includes defect detection equipment for 3D cover glass, glass stress defect detection systems, dimension measuring instruments for cell phone polarizers, high-precision laser interferometers, and AOI equipment for magnets, LCD conductive particles, and PCBs. Additionally, they provide specialized LED light sources and button sorting machines. Serving industries such as glass, PCB, optical film, and panel screen displays, the company is committed to R&D and innovation, holding more than ten domestic patents. Suzhou PTC Optical Instrument Co., Ltd. maintains high quality standards with ISO 9001 certification, ensuring reliable performance for manufacturer assembly lines focused on dimension, defect, and pass rate inspection.
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Vision Defects Detection Machine
Aoi Button Sorting Machine
PTC Aoi Machine for PCB Inspection
