PE Extra wide waterproof roll or waterproof film extrusion line

China railway inspection certification center product certification center (formerly China railway railway) (hereinafter referred to as the "CRCC") is on October 29, 2002, national certification and accreditation regulatory commission approval (approval no. CNCA - R - 2002-102), in November 2002 for industry and commerce registration, formally founded in April 2003, the state-owned enterprises, registered capital of 51 million yuan, is the implementation of railway and urban rail equipment product certification of the third party inspection, certification bodies, with a clear legal status. According to the national regulation, all enterprises providing waterproof rolling materials for high-speed railways, railways, rail transit and related projects must pass CRCC certification.

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