Linhai Sitong Pipe-making Co., Ltd Was established in 1988, linhai city car tubing plant located in linhai city jiangnan pond come industrial area. Professional production of various kinds of vehicles tubing parts and other auto parts, is the national automotive diesel engine accessories sales association director unit and ZhongQi &trade group members factory.
Enterprise registered capital of 9 million yuan, existing staff more than 200 people (including engineering and technical personnel of more than 30 people), in 2009 the sales income is 92 million yuan. The main products are automobile tubing, filter, high and low voltage car fan leaves, etc, with an annual output of 3 million cars and 100000 sets of article tubing car fan production capacity. At present the enterprise the main products are "stone" brand diesel engine cooling fan, PA11, PA12 nylon pipe and ptfe car back to the oil hose, tubing, oil hose, high pressure oil tube, brake hose, hydraulic steel pipe, etc, the sales ...[More]work all over the country, some products out of the country and export to Europe, America, Middle East and other countries and regions. The main products for a long time for guangxi yuchai, anhui QuanChai, changzhou dongfeng etc diesel engines and supporting the car factory.

In the development of linhai city stone system tube Co., LTD has won the "contract trustworthiness unit", "taizhou quality trustworthy unit", "customer satisfaction products", "zhejiang famous advertising products", "zhejiang saves' science and technology innovation and high quality products' unit" title, in 2006, "stone" tubing won the "taizhou well-known commodities", "stone" trademark won the title of "the famous trademark" taizhou, 2007 "stone" trademark the international registration in Madrid. In 2008, linhai city stone system tube Co., LTD is recognized for small and mid-sized enterprise of zhejiang province in 2009, four brand cars get "zhejiang hose famous brand product" title, in 2009 I technical improvement project of the company approved for the investment industry technical renovation programs of the small and medium-sized enterprises. In 2010 for a high and new technology enterprise.

Companies with "rely on science and technology innovation and create high quality, the pursuit of excellence" for the purpose, adhere to "by the science and technology as the guide, lean management as the base, keep pace with The Times, the sustainable development" the quality policy, make product technology progress, quality management, with ten national patent, northwestern polytechnical university and established long-term cooperation relations, the joint venture "four new technology dongxi ventilator joint research center ". Enterprise independent research and development of polytetrafluoethylene tubing is listed as provincial new products, the realization of the substitution import. Company in 2001 through the ISO9001:2000 quality system authentication, in 2003 through the QS-9000:1999 quality management system certification, In 2006 the United States through the DOT certification, 2007 ISO/TS 16949 quality management system certification. Brake hose products and hydraulic steel tube components has won the "3 C" certification and accreditation and industrial production license certificate.