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 - ...
Winding film: with the advantages of single-sided adhesion and double-sided adhesion, it is mainly used for the fixed winding packaging of bulk goods, so as to achieve the purpose of fastening, dustproof, oil-proof, moisture-proof and waterproof. Plastic wrap: mainly used for ...