Qingdao Jinchi Steel Tube Manufacturing Stock Co., Ltd is large high-tech private-owned enterprise that can manufacture 150,000tons liquid feeding seamless hot finished steel tube for German technology petroleum and natural gas industry every year. The specs of steel tube contain: Φ57×3.5，Φ76×4，Φ89×4，Φ102×4，Φ108×4-10，Φ133×4.5-10，Φ159×4.5-10，Φ168×6-10，180×6-10，194×6-10，203×6-12，Φ219×6-25，Φ245×6-25，Φ273×6-25，Φ299×7-25，Φ325×7-25，Φ377×7-25，Φ406×8-25，Φ426×8-25，Φ480×8-25，Φ508×8-25，Φ530×8-25，Φ560×8-25，Φ630×8-25; the product accords standard: GB/T8162-1999, GB/T8163-1999, ASTM and API 5L/5CT; the material of product is: 20-45#, Q345B, 16Mn, ASTM Gr.A/B, J55, K55, L290 and X42-52.

Locating in Hetao industrial park, Chengyang district, the company covers about 34,000 m2; has about ten thousand square meters standard workshop, villa type office, four portal jib cranes and offers service in 24 hours. Furthermore, the company enjoys very convenient traffic condition with abutting on Ji-Qing expressway, 204 national highway, kiaochow bay highway, Tong-San expressway, only 20km away from Qingdao Port and 15km away from Qingdao Liuting International Airport. By right of geography advantage, the company has very convenient shipment, expressway transportation and railway transportation.

The company has production equipment and advanced vortex diction instrument that is manufactured by German; diameter shrinkage equipment that is imported from America and can guarantee clean, smooth and non-damage inner wall; most advanced automatic natural gas high temperature annealing furnace that the temperature can reach1000℃ and eliminate inner stress during production process completely and make fine texture accord mechanical performance; advanced roller type tube-making and diameter shrinkage equipment; the hydraulic pressure test working procedure is changed into 100% hydrostatic pressure routine working procedure that the pressure should not be less than 60kg and guarantee quality.

The company has many advanced testing equipments such as perfect chemical laboratory, physical laboratory, universal material testing machine and Rockwell hardness tester that guarantee excellent quality.

Liquid feeding seamless hot finished steel technology for petroleum and natural gas industry has high technology content, high added value, reasonable price that is less 1000-1500Yuan/ton than round steel perforation type seamless steel tube by domestic technology. This product is widely used in many projects such as gas pipe, natural gas pipe, water pipe, sewage treatment pipe, air-conditioning pipe, fire fighting engineering, building engineering, chemical engineering, petroleum pipe engineering, heat supply engineering and equipment engineering. After two-year test by our company and clients, our products have creditable quality, which is replacing product for seamless steel tube; meanwhile, the products are distributed to about 20 provinces, cities and municipalities in our country and even tens of countries and regions. The products are very popular among clients by right of excellent quality and reasonable price.

It is proved by technology department strictly that Xinchi brand liquid feeding seamless hot finished steel tube for petroleum and natural gas industry has been regarded as high-tech new product by Qingdao industry bureau on Dec. 30th 2005. The technology department affirms excellent inner quality and performance of our products.

Underground feedwater steel tube with cement plaster backing technology has got wide application in domestic engineering and gained mature experiences in recently. The inner wall of feedwater steel tube adopts cement plaster backing, which can not only prevent corrosion and filthy in inner wall of tube, extend service life of tube, but also can prevent water quality, keep or enhance capacity of transporting water; therefore, it has obvious economic and social benefit. In order to meet design and construction need, guarantee engineering quality and take good use of abundant water and sand resource in Qingdao region, the company manufactures steel tube with cement plaster antiseptic backing equipment through according to relative national standard CECS 10:89; meanwhile, the equipment has been put into use and won authorization from users. Meanwhile, the company can carry out kinds of different antiseptic engineering such as steel tube single layer and double layer sinter epoxy powder (FBE), double layer polythene (2PE), three-layer (3 PE), double layer polypropylene (2PP) and three-layer polypropylene (3PP) etc.

This item has been authorized by Qingdao economic council on Dec. 26th 2003; the number of item certificate is: N370203A04107N0565; State Bureau of Technical Supervision issued the license and the license number is: XK14-201-000121; the company has passed ISO9001-2000 international quality control system attestation and the attestation number is: 02404Q10416R0S. This item accords national industry policy and fills blankness in Shandong province.

Qingdao Jinchi Steel Tube Manufacturing Stock Co., Ltd will offer clients excellent products by right of advanced and creditable technology, scientific and effective management, excellent before-sales and after-sales service!