Qing Shan Industrial Co., Ltd. was established in 1988, we are the professional Hexagon Coach Screws, Special Screws manufacturer located in Kang Shan. Carbon steel, alloy steel and stainless steel are available, customer’s design and drawing are also welcome. We are dedicated to an eager quest for excellence. With our clients’ interests and business growth in mind, we have a deep commitment to provide them with highest quality products and services, therefore they could get the most accurate, economical results within the shortest possible time frame. We will make our best effort on offer competitive prices for products with on-time delivery and undoubted reliability. We will strive hard to pursue more extensive business growth and customer satisfaction as we walk towards a better future.