Polyshop Co Ltd
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Protoshop Inc. is a specialized contract manufacturer and service company based in Carlsbad, California, focusing on rapid prototype injection molding and mold fabrication. Founded in 2021 by industry veterans with over 25 years of experience in medical product development, the company utilizes a proprietary molding method to deliver production-quality plastic parts with significantly reduced lead times. Protoshop serves high-precision industries including medical devices, electronics, and consumer goods, offering expertise in complex geometries, microfluidic chips, and electronic housings. Their comprehensive manufacturing capabilities include prototype tooling, overmolding, insert molding, CNC machining, and 3D printing. Beyond fabrication, they provide technical value-add services such as Moldflow simulation, material selection assistance, and design for moldability reviews to optimize part performance and reduce design risk. The facility is equipped to handle a wide range of materials, from standard resins like ABS and Polycarbonate to specialized plastics like Topas (COC). As a domestic manufacturer, Protoshop emphasizes rapid design iterations and high-touch customer service, supported by an online portal for project tracking and inspection reports. The company is a member of the Carlsbad Chamber and operates as a domestic alternative to offshore manufacturing, providing scalable solutions from initial prototypes to several thousand parts per week.
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Shanghai Polysource Digital Technology Co., Ltd.
🇨🇳 China
200811-50 peopleManufacturer/Trading Company/OTHERHigh-tech enterprise
Own brand
Key market
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Description
Shanghai Polysource Digital Technology Co., Ltd., established in 2008, is a high-tech manufacturer and trading company based in Shanghai, China, specializing in the research, development, production, marketing, and sales of PVC and PET non-laminated materials, as well as various pigment and key-based inks. With 11 to 50 employees, the company operates two large factories equipped with automated coating production lines. Their product portfolio includes PVC White Card Material, PVC Gold Card Material, PVC Silver Card Material, PVC Transparent Card Material, Crystal Photo Paper, Luminous Photo Paper, heat-complex printing materials, laser-clarity printing materials, crystal films, RC films, transparent printing materials, crystal surface films, and icon stickers. These materials are widely utilized across industries such as public transportation, finance, taxation, health, insurance, and telecommunications. Polysource's products are known for their light-fastness, water-fastness, ink-absorbability, and high resolution, achieved through imported film materials and nano-technologies. The company boasts a production capacity of 200,000 sets/units per day and exports products to North America, Europe, and Southeast Asia, serving government departments and banks.
Crystal Photo Paper (PS.PTCRYSTALPAPER)
PVC Silver Card's Material (PS.PCSILVER)
Luminous Photo Paper (PS. PTLUMINOUS)
PVC White Card's Material (PS.PWC)
PVC White Card's Material (PS.PCWCM)
PVC Gold Card Material (PS.PCGOLD)
PVC Transparent Card Material (PS.PCTRANSPARENT)
