Shanghai WS Energy& Technology Group Co. Ltd.  

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Shanghai WS Energy & Technology Group Co., Ltd is an advanced technology enterprise which specializes in producing oil/gas drilling and production equipment, valves and well control equipments. Now WS Co., Ltd have certificates such as ISO9001, API Q1, API 6A, API 6, API 16A, API 20B. Shanghai WS Co., Ltd main products are wellhead equipment, oil/gas X-mas tree, pipeline valves, well control equipment, top driver spindle. [详细介绍]