HDG trench cover can be long gold mesh Hebei Airlines Co., Ltd. is a production, research and development, sales of large-scale steel grating business for many years I operated trench cover suppliers, products are sold throughout the country, and has a good reputation. About galvanized trench cover of age, let's make a presentation for you. HDG also known as hot-dip galvanized, is a method of metal coating layer steel structures immersed in molten zinc was obtained, with a galvanized coating uniformity, strong adhesion, long life and other advantages. HDG trench cover compared to other products also have the advantage of a long service life. Use galvanized trench cover three years of cash in the form of: 1. Decorative useful life - hot dip galvanized steel grating surface faded, meal-based, cracking, partial loss and other defects, has not yet reached a large loss of the protective effect coating degree. 2. Use a renovated former life - hot dip galvanized steel grating surface coating of rust and other defects occur most, will affect the life time of the substrate for further use. 3. Limit the use of life - hot dip galvanized steel grating is not renovated long-term use, until the emergence of serious corrosion phenomenon. HDG trench cover useful life mainly by their links and surface zinc layer is damaged decide specifically that air humidity, and pH. If suitable for hot dip galvanized steel grating steel grating pH environment trench cover, generally greater than acidity PH6, alkalinity less than PH12. Dry field, their life up to 70-80 years, the gentle ocean up to about 40-50 years, 20-30 years about the industry in general. Provided that they face the zinc layer is not external damage. I am in terms of production and sales of steel grating has 10 years of experience, and so far no problems, said customer feedback galvanized trench cover the time period of years, as well as customer feedback, said the product is still like new. In short, galvanized trench cover even under very harsh environment, but also to have at least 20 years of age to use trench cover, so please rest assured customers trench cover size selection, we will provide you with quality products, welcome inquire order. Hebei Airlines Gold Wire Mesh Products Co., Ltd. is located in trench cover production base - Anping, Hebei Province, where convenient transportation, communications convenient. My company has many years of experience in the production trench cover, with high-quality service, reasonable prices, and reliable reputation to win the majority of new and old customers alike, the products sell well all over the country. The majority of users trust and praise. Our main products are: steel grating, galvanized steel grating, trench cover, gutter cover, composite steel grating, steel grating on the plug, and other special-shaped steel grating steel grating products, but also customized according to customer needs of various types of products, delivery is complete, and timely delivery. Air Products Co., Ltd. Hebei gold mesh with their strong strength, strict management, advanced technology, good reputation, product quality and laid a solid foundation. We sincerely welcome new and old customers to our company and negotiate. Trench cover size selection | trench cover | Air grating magic gold mesh provided by Air Products Co., Ltd. Hebei. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hebei Hengshui 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 and you hand into the brilliant, for a better future!