Material: S355J, C35, C45, 20A, 42CrMo4 and other required materials Process: EF+ LF + VD+ VC Process as follow: ingot, heat, forging, heat treatment ( normalizing+ tempering) , inspection, rough....
Shaanxi Huawei forging Co., Ltd is a group company specializing in the research and development of high technology, mechanical manufacturing, the manufacture, sale and foreign trade of metal....
BJ20A this kind of 810nm infrared laser illuminator used in CCTV surveillance system can change divergence to reach different irradiation distance . cute and competitive brand moonlit ....
XIAN OE PHOTONICS.CO.LTD which is a professional infrared laser illuminator manufacturer in china . Our brand is moonlit we have this patent for two years already we believe through our....