Trench cover how to control the quality of steel grating trench cover slip toothed, 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 forming trench cover and performance, the company has strict quality control 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 my company's production standard durable mesh drain cover, 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 factory testing, after the completion of the company's finished, there will be a professional inspector for quality testing, to detect whether a product specification, such 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! Steel grating trench cover into the production process pressure welding machines and hand-made in two ways. Pressure welding machine is a high-pressure resistance pressure welding robot automatically on the flat horizontal crossbar evenly through strong welding power and hydraulic pressure bonding rail into the flat, solid solder joint can be obtained , high stability and strength of high-quality steel grating trench cover, hand-made steel grating trench cover is the first punch in the flat, and then the crossbar in the holes plugged ditch spot welding wholesale production cover, flat bar and the gap will exist, but each contact point can be welded connections for parity melt and twist flat steel, the welding will be more solid, strength will be improved, but the appearance is better insulation The beautiful! Hebei Wire Mesh Products Co. Hang gold scientific research, production, sales and service for one, over the years to the production of steel grating cover research and development, advanced equipment, strong technical force, with mature technology and rich steel grating production and installation experience. The introduction of advanced professional typesetting system design, the use of international production management mode, selling the domestic market by users praise, excellent after-sales service system, superior quality and the most competitive price and the fastest delivery, willing to work with new and old customers to establish good trade relations, mutual benefit, sincere cooperation for a better future! Produces a variety of trench cover | Cover | Air gold galvanized gratings trench cover provided by the Hebei Hang gold mesh products co. 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!