销售不锈钢高品质地漏
products range
: 1.
sodium silicate
products range
0.1kg----150kg ,
materials : carbon
steel, alloy steel 2.
sand casting
products range :10kg----1200kg ,
materials : carbon
steel, stainless
steel , alloy
steel. 3.
silica sol
0.1kg--100kg,materials
:carbo