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 of the stainless steel grille plate manufacturers, which determines the final trench cover forming and Performance custom grille municipal tree pool cover, our 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 the company's production standards, not a mistake. The introduction of advanced production equipment and production technology all kinds of custom steel grille cover, trench cover to improve the quality of existing products, and strive to develop new products. And according to market needs, we developed a detailed product development process grill cover, 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! Specializing in the production of galvanized trench cover, trench cover, gutter cover, steel cover, rain grate, steel trench cover Grate and other products, factory manufacturing, can be custom map. Galvanized trench cover Size Selection: 1. flat direction bearing (support) direction, according to ditch (well) wide gaps remain flat fixed length L; 2. Press the ditch (well) long layout, taken in line with the processing modulus The standard plate width 995mm, leaving a gap between the plates 5mm; 3. ditch (well) remaining less than one meter long section modulus by sizing; 4. ditch (well) wide and bearing requirements of the selected steel grating model. 5. recommended to choose a standard size design and construction, the company can design the production of various sizes or have other functions requirements. Hebei Airlines magic grid board manufacturers willing to work with you to create brilliant. Stainless steel grill cover manufacturers | grill cover | Air grill grate by magic gold mesh 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!