Taikang Road, Yongtai Street, Luoyang, Hena
Luoyang Gongyan Technology co., Ltd(for short GY)stablished in 2008, is a specialized manufacturer and distributor of rock bolts other tunneling & mining products. Our company has the production capacity 20,000 sets per month. main products are Common hollow grouting bolt, Pre-stressed Self-drilling Combined Full thread ...
anchor bolt, rockbolts, self drilling bolts, frp rock bolts, geotextile, geomembrane, geogrid, waterstop, drainage materil