we are professional forged material, wellhead equipment, x-mass tree and fracturing equipment producer inChina. our company--Suzhou Douson Drilling&Production Equipment Co.,ltd  is established in 2001 and loactes inJiangsuprovinceChina. it is a group now. it has three branch factories: Suzhou Douson Valve Co.,Ltd; Suzhou Douson Heatreatment co.,Ltd; Suzhou Baoye Forging factory. Douson group totally has 4 workshops from forging, heattreament, CNC (including marks) , test (MT, UT,PT…) to packing.  all of our products are produced according to the standards regulated in API, ANSI, ASME, MSS, BS, DIN and GB.   the raw material for our products include WCB, WC6, WC9, LCB, LCC, CF8(304), CF8M(316), CF3(304L), CF3M(316L), CN7M(20#alloy), A105,1020,1040,410,4130,4140,17-4PH, Inconel, titanium alloy, Montel, etc.   

our company has import&export right and a complete quality management system. we can produce products according to our own design or customers design.  we have strong design ability. all of our 150 design engineers are very experienced., and most of them have been working in Douson group over 5 years. we have adopted SAP software for company management. we have the approved certifications such as ISO9001, API6A, API6D, API16A, API16C.   

our company insists on implementation of the technology-oriented, and internationalized development strategy. we have many national patented products, and have products  applied to onshore, offshore oil-gas fields of China National Petroleum Corporation(CNPC), Sinopec, and China National Offshore oil Corporation(CNOOC). what's more, most of our products are exported toUnited states,Brazil,Spain,England,Australia,Canada,Middle-East,  Kazakhstan. …... 

 we Douson people makes arduous efforts to provide best services for customers with first-class product quality, competitive prices and timely delivery. 

if there's any requirement or question, pls don't hesitate to contact me