... can provide the standard and unstandard gratings.1). Standard grating:a.Bearing bar pitch: 50mm, 100mm.b.Cross bar pitch: ... coated, Chromated and Electrolytic galvanising. Moriei Mechanical products(Dalian) Co., Ltd founded on December 22, 1985. We are one of the ... more than 20 years, enjoying an excellent reputation and keep a good relationship with many foreign companies, especially in Japan, Europe ...