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...
My company under the jurisdiction of 5 companies equipped with stainless steel and seamless steel pipe stock more than 8 tons. The nearest delivery to customers.
Material: stainless steel 201, 304, 321, 316, 304L, 316L, 310S, 347, 2205....
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: 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: a strong, high-quality products, low prices, first-class service.
Solemn promise: to ensure the best products and the most superior quality, the lowest price, the most perfect service to thank new and old customers trust.
Operating principles: customer first, excellent quality, complete varieties, reasonable price.  
Our company provide customers with the following services:
* Zero run, one from the sale.
* the customer can choose the desired length or other requirements.
*, purchasing contract or mills booking all kinds of special specifications.  
The library is no * swap specs, save you about purchasing work.
* transport agent, a large quantity can be straight to your designated location.  
* holidays without a break, along with.
* the sale of steel company is responsible for the overall quality of tracking, exclude the menace from the rear for you.  
* by the company for the material of steel pipes