Luoyang Gongyan Technology co., Ltd(for short GY)established in 2006, is a specialized manufacturer and distributor of rock bolts and other tunneling & mining products.

Our main products are Common hollow grouting bolt, Pre-stressed hollow grouting bolt, Self-drilling hollow grouting bolt, Combined hollow grouting bolt, Full thread pipe shed and steel pipe. GY also supply geo-technical materials such as waterproof board, geo-textile, geo-membrane, geo-grid, geomat , corrugated pipes, expansion rubber and steel fiber. The products are widely used in various types of underground support constructions, such as road and bridges, water conservancy project, mineral exploration, underground mining in soft and hard rock, tunneling, slope stabilization industry and etc.

During the past 6 years, we have participated in lots of latest national key projects in China. And gradually we have been one of the most credible manufacture in the industry. Further, we have established steady business relations with customers inland and overseas.