GROUP INTRODUCTIONTianjin ZHENGHAI GROUP general headquarter is located at Daqiuzhuang, which is the largest steel pipe base of the nation. There are four direct branch,they are Tianjin ZHENGHAI Industrial and Commercial CO.,LTD,Tianjin SHENGXING Industrial and Commercial CO.,LTD,Tianjin JINMAN Seamless Steel Pipe Plant and Tianjin WANFA Coal CO.,LTD. covering an area of 53,000 square meter,the total investment is 230 million yuan.The GROUP is aboundont of capital and technology force, well-equipped and perfect production.The main products are as follows:Seamless steel pipe �짝32-�짝630 with wall thickness 3.0-12.0mm The production standard: Seamless steel pipe for low, medium pressure boiler-GB3087-99; Seamless steel pipe for infusing fluid-GB/T8163-99; Seamless steel pipe for construction-GB/T8162-99.Welded pipe 420-4325 medium thin wall welding pipe. The production complys with the natioanal standard: GB창��T3091-2001.In 1996, we passed the ISO 9001챦쩌�2000 quality system certificate,torch-plan-item permission, and special equipment (pressure piping) component lesence,etc.There also include other products such as galvanized steel pipe,galvanize square tube and galvanized corrugated roofing sheet ,galvanized steel coil and galvanized ppgi steel coil and so on .ZHENGHAI GROUP will continuous improve company management system, meticulously establish company culture, build company brand and figure, and perfect pre-sale and after sale service to provide for the customers with first-level srevice and best reputation effort.