The company was founded in 1988, was first established as the "Zhengzhou Liwei Rubber Products Co., Ltd." With the development and expansion of the business scope and scale, May 31, 2003 was changed to "Zhengzhou Liwei Pipeline Equipment Co., Ltd.", 2009 On October 10 changed again to "Henan Granville Pipeline Equipment Co., Ltd.", registered capital of 42 million yuan. 13 years renamed "Granville Industrial Co., Ltd., Henan." Granville Industrial Co., Ltd., Henan compensating products into rubber compensator, metal compensator, duct compensator, flexible rubber check valve. Rubber products GJQ series compensator flexible rubber joints named, including GJQ (X) -DF single sphere flexible rubber joints, GJQ (X) -SF double ball flexible rubber joints, GJQ (X) -SQ -II type three ball flexible rubber joints, GJQ (X) -4Q-II-type four ball flexible rubber joints, KTGJQ (X) -II type adjustable flexible rubber joints, flexible rubber joints buried guards, GJQ (X) -CF pump imported special rubber joints, GJQ (X) -KG clamp rubber joints. Metal compensator including metal expansion joints loose sleeve, SSJB type gland loose telescopic joint, SSJB-3 gland Limit loose telescopic joint, VSSJA type flange loose set of expansion joints, VSSJA-1 Single Act Portland loose set limit expansion joints, VSSJA-2 double flange loose set limit expansion joints, VSSJAFG single Falan Song sets of power transmission connectors, VSSJAF double Falan Song sets of power transmission connectors, VSSJAFC detachable double flange Song sets of power transmission connectors, SSQP both ends of the flange pressure disc limit expansion joints, KRH (J) large gap clamp flexible pipe joints, QFI ball loose fittings, S312 waterproof casing. Duct compensator includes FDZ rubber straight duct adapter, FDB rubber wavelet duct adapter, FVB-type duct rubber compensators, FUB-type duct rubber compensator, LW (Z) - F (J) type duct fabric such as compensation. Various types of compensation models, please refer to our products section, GJQ series of flexible rubber joints using standard GB / T 26121-2010, flange standards adopted GB9119. Can also be customized non-standard or American standard and other foreign standard rubber joints according to customer requirements. Flexible rubber joints large-caliber production process using scientific molding techniques, through specific molding, molded, internal high density, both withstand high pressure, but also play a noise damping effect. The company has 5 X16 meter autoclave for large diameter rubber joints, anti-corrosion lining chemical equipment and pipeline quality vulcanized rubber lining to provide a reliable guarantee. The company also produces various caliber rubber lined pipe products, mainly used for municipal, steel, petroleum, power plant desulfurization, chemical plants, water supply and drainage infrastructure pipe systems. Relying on the technical advantages of rubber lined pipe and equipment, in addition to providing various types, tanks, tank corrosion rubber lining. Rubber lining material, thickness and other technical parameters specified by the customer. VTM411 ultrafine grinding powder machine after years of research, continuous innovation and improvement, is the first of similar products in the more advanced products. It has high efficiency, reliable performance, non-polluting, energy-saving, advanced technology at home and abroad customers. For a variety of ultra-fine powder production line and stand-alone equipment, the company can provide the actual factory site visits. Our main partners: China Huadian Engineering (Group) Co., Ltd., Wuhan Kaidi Electric Power Environmental Protection Co., Ltd., Datang Environmental Technology Corporation, China Water Conservancy and Hydropower supplies Ltd., Beijing Borg Power Technology Co., Ltd., China CPI Yuanda Environmental Engineering Limited. Customer satisfaction is the company's goal of fighting, continuous improvement is the eternal pursuit. The company will be pragmatic, dedication, innovation, dedication, to create a national brand-name services in the market, the company in the future development and you would like to join hands to create new brilliance.