- stamping
- 2016-09-28 07:51
- 1.Name:wrought stamping fittings 2.Material:carbon steel 3.Be widely used on fences, gates and doorsDecorative wrought i
- Fodder-grade glycine
- 2016-09-11 06:43
- Molecular formula: C2 H5 NO2Molecular weight:75.07Structure formula: NH2 CH2 COOHPhysical-chemistry property:White cryst