Beijing St.Ocean Engineering Technology Co., Ltd. has been focused on the service of pipeline construction , power distribution and energy saving equipment. Management systems are certified to ISO9001,ISO14001,OHSAS18001. With the advantage of the comprehensive technology of our company, we supply with our customers quality products and perfect service in the lines of petrochemical industry, coal chemical industry, natural gas, electric power, metallurgy, heating power, stainless steel, coal...
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