Our History
Xinxiang Zhonggong Conductor Rail Co., Ltd. was established for more than 20 years. Our products are advanced in technology, fine in workmanship and beautiful in appearance. They are ideal replacement products for mobile power equipment. Our company draws extensively on the essence of technology, researches and enterprise , exploration…[Read more]

HG32 Welded pipe mill line
Power of supply standard380V/220V锛?0HZ锛泃hree phase four wire system
Power of machine
锛?锛塵ain machine 110 KW
锛?锛塧uxiliary machine 30 KW
锛?锛?HF welding machine 150 KW
Total锛?/strong>about 290 KW
Machine area coveringLength40M脳width4.5M
HF welding machine areaLength6M脳width3M脳heig…[Read more]

ASTM A500 carbon steel pipe
Production: seamless, hot rolled, cold drawn
Diameter size: 1/2inch to 32inch
Wall thickness: 2mm to 52mm.
Length of pipe: SRL, DRL, 5.8m/6m, 11.8m/12m, 20ft/40ft or as customer’s require.
Standard: API 5L, ASTM A500 Etc
Steel grade: carbon steel, 20#,45#, GRB, Q345B, X42-56
End: plain end, beveled, protected with c…[Read more]

▲ Our History
Ningbo Double Grace Health Tech. Co.,Ltd. was established in 2014 and has been focusing on supplying health care products since ever. Through these years we have built a young and dynamic team from sales to QC to better service our global clients with quality products. We are committed to develop new and functional products to s…[Read more]