Hangzhou PASS Fluid Equipment Co., Ltd, a professional corporation engaged in design and manufacture of groove pipe fittings. The company is located in beautiful Hangzhou, insist on quality-oriented, according to the world-class to produce, depend on the perfect sales and service network, to provide the full service to clients. 

PASS company primary products have 4 series: Coupling, Valve, Fitting and Pipe Preparation. Especially, couplings are our superior product, including Stainless Steel coupling, Ductile Iron coupling, Plastic coupling. 

The design and manufacture are according to international first-class indicators, Product's design and testing are in compliance with American Standard ANSI/AWWA and satisfy China National Standard GB5135, metal and sealing materials are in compliance with American Standard, The sealing material of potable water system meets American Standard ANSI/NSF 61 and China National Hygiene Standard GB/T 17219. 

The PASS company's products have been widely used in the field of RO water treatment, water supply and drainage, air-conditioning, fire fighting, oil and other pipeline systems, PASS follows the new ideal of innovation, rigor and honest, to offer the best service to our clients. We will satisfy our client by our warm service and accomplish our feats through high quality.