Wenzhou SQ Flow Control Co., Ltd. is a specialized steel valves manufacturer in China, focuses on supplying integrated solutions for industrial valves according to API, ASME, EN, ISO, JIS, DIN and standards. The leading products are gate valves, ball valves, check valves, butterfly valves and strainers which are applied broadly in petroleum, chemical, metallurgical and power generation industries. As the reliable supplier on quality and service, we won great reputations from the customers in Europe, America, Japan, Middle East, South East Asia, Russia and other countries.

We launched our quality management as ISO 9001, and awarded API 6D, API 600, API 607, CE/PED approvals for the products.

The main tech-data of product listed as below, where any special requirement can be handled by our dedicated engineering team for various working conditions.

Product range: ball, gate, check, globe, butterfly, oil field and other special valves.

Pressure range: Class150-Class2500, PN10-PN420.

Size range: NPS1/2-NPS80.

Operation type: manual, gearbox, chain wheel, pneumatic, electronic, hydraulic-pneumatic etc.

Connection End: flanged, BW, SW, NPT, wafer type, etc.

Materials (casting): WCB, WCC, LCB, LCC, LC1~3, CF8, CF3, CF8M, CF3M, CF8C, CN7M, CA15, C5, WC5, WC6, WC9, 4A, C12A etc.

Materials (forging): A105, LF1, LF2, F304, F304L, F316, F316L, F11, F22, F6, F51, F316H, F321, F347, F53, F91, F92, WB36 etc.

Meanwhile we are also offering various pipes, fittings, flanges, bolts and nuts to our clients because we have good suppliers for these products and have one trade company.

We are dedicated to supplying high quality products for global industries. By holding the persistence improving in management and product quality, we will provide higher and better service to you.