Rongsheng company is a comprehensive enterprise specializing in electric power, petroleum, chemical, engineering, machinery processing enterprises supporting services, and Tianjin Steel Group, Baosteel, TISCO, long established, Wujin, Baotou, Valin etc. the major steel mills to establish a long-term friendly relations of cooperation, the main products include seamless steel pipe, alloy steel pipe, stainless steel pipe / plate / profile series, high-pressure boiler tubes, oil cracking tube etc...
Our company under the jurisdiction of 5 branches of stainless steel and seamless steel pipe more than 8 tons. Can be the nearest to the customer delivery.
Seamless steel pipe material: 20#, 35#, 45#, 20G, 16Mn (Q345A, B, C, D), 27SiMn, 15-42CrM0 and so on
Stainless steel materials: 201, 304, 304L, 321, 316, 316L, 310S, 347, 2205, etc.
Alloy steel material: 12Cr1MoV (G), 13CrMo44 (A335P12, STFA22, 15CrMo), 10CrMo910 (A335P22, 12Cr2Mo, STFA24), A335P5 (STFA25, Cr5Mo), A335P9 (Cr9Mo, STFA26), A335P91 (T91), A335P92, WB36 (15NiCuMoNB5), Gangyan 102 (12Cr2MoWVTiB).
Oil casing steel grade: J55, K55, N80, L80, C90, T95, P110, Q125 and so on.
Rongsheng's success embodies the company's hard work and wisdom, but also embodies the vast number of consumers with deep feelings of love, but also inspired the company staff to struggle of faith, we will continue the new leap, enterprises to create greater glories, to make a contribution to the development of iron and steel industry.
Three security services: quality assurance, guarantee time, ensure that the number of
Service tenet: strong strength, high quality products, low price and first-class service.
Solemnly commitment: to ensure the best products, the best quality, the lowest price, the most perfect service to respond to the trust of the old and new customers.
Management principle: customer first, good quality, complete variety, reasonable price.  
Our company provide customers with the following services:
* Zero run, one from the sale.
* the customer can choose the required length or other requirements at will.
*, purchasing contract or mills booking all kinds of special specifications.  
The library is no * swap specs, save you about purchasing work.
* transport, the quantity can be sent to your designated location.  
* holiday does not rest, follow up.
* the steel pipes sold, the company is responsible for the overall quality tracking, for you to exclude worries.  
* the pipe material provided by the company is attached to the material of the steel plant