Suzhou DOUSON Group is a valve and oil well equipment manufacturer. The company is located in Suzhou City, China. It covers total area of 70, 000 square meters, including 50, 000 square meters workshop.

DOUSON possesses the manufacturing facilities of forging, welding, machining, heat treatment, assembly, pressure testing and painting. The main products of Douson are Gate, Globe, Check, Ball, high temperature & pressure valves and oil well Equipment used in oil, chemical, petrochemical, metallurgy and power station industries.

DOUSON has adopted API, ANSI, ASME, MSS, BS, DIN and GB(Chinese national standards) standards in design, the size range from 1/2 "to 36", and pressure rate from ANSI Class 150 to 15, 000 Lb. Material includes WCB, WC6, WC9, LCB, LCC, CF8(304), CF8M(316), CF3(304L), CF3M(316L), CN7M(Alloy20), A105, 1020, 1040, 410, 4130, 4140, 17-4pH, Inconel Alloy, Ti Alloy, and Monel etc. Douson manufactures & remanufacture various components to a number of standards and specifications. ERP software used for manufacturing Management, Oil equipment software used for design, Internet Network set up in Douson. All are made under the umbrella of an accredited quality system. Douson 's quality system is accredited and certified by independent auditors to API Q1 and ISO 9001. This system is monitored by both API and UKAS to verify compliance with the system and the standards. The company has passed ISO9001, API6D and API6A certificate. Douson also produce and export valve parts and other machinery components. Douson has sales branch in Houston, Texas, USA. Its products have been sold in many countries such as America, Spain, Britain, Australia, Canada and Singapore and so on. We are looking forward to be your good supplier or component source in China.

DOUSON will satisfy customer requirements & expectations in a competitive manner through the consistent use and application of quality in our products, services and organization.

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