Trench cover how quality control, our main this in three ways: 1, the good customs of raw materials: steel raw materials into the factory inspection is the most important part, which determines the final trench cover forming and performance, the company has strict quality inspection standards, the choice of quality raw materials to ensure the field frequency of performance and quality. 2, strictly control the production and design aspects, according to the company's production standards, not a mistake. The introduction of advanced production equipment and production technology, improve the quality of existing trench cover products, and strive to develop new products. And according to market needs, we developed a detailed product development process to ensure the completion of development of new products in the shortest possible time! 3, good finished product delivery inspection trench cover, after I finished the docking groove decking complete specifications, will have a professional inspector for quality testing, to detect whether a product specification toothed slip trench cover production and supply, as the product failed to be re-produce. Gold mesh Hebei Airlines Co., Ltd. is a large scale north of trench cover production-oriented enterprises, products throughout the country, and won praise. "High standards, fine, zero defect" is the purpose of our production, we will continue to produce the high-quality trench cover! Refers to the use of heavy trench cover thicker than conventional flat, wider flat products made of steel grating, it is specifically designed for heavy load occasions design, its bearing strong, usually by hand production. Heavy trench cover general specifications 80 * 8.75 * 5,100 * 8,300 * 3, from the process can be divided into heavy loads bonding steel grid plate and heavy duty lock Steel Grating pressure reducer Chedaogou two slip cover board, and is also the lightest one square meter more than 180 kg or more, not only the weight of a large load is large. The quality and quantity of heavy trench cover insurance Hebei Hang gold mesh Products Co., Ltd., the loading capacity, and can be tailored according to the load of steel grating specifications you provide, and flat steel can do 300 * 3,350 * 3, Drain cover the load on / load can refer to the image below for reference: subway vent grille steel trench cover, trench cover, steel grating trench cover manufacturers supply provided by Golden Screen Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hengshui in Hebei wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Air gold mesh into the brilliant and you work for a better future!