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Telsto Development Co., Limited Quality Control

Good quality Gel Seal Closure for sales
Good quality Gel Seal Closure for sales
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100% Inspection is a must for each shipment per SQL standard.








  • Standard:ISO 4892-3:2013


    Issue Date:2018-04-02

    Scope/Range:Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps

  • Standard:ROHS


    Issue Date:2017-12-19

    Scope/Range:2011/65/EU Restriction of Hazardous Substance

    Issued By:ROHS

Contact Details
Telsto Development Co., Limited

Contact Person: Ms. Vivienne Tam

Tel: 86-021-5329-2110

Fax: 86-021-5329-2298

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