Specifications (cover inside diameter): 700x700x30mm base diameter (with manholes match): 640x640mm Base outside diameter: 780x780mm base height: 30mm + 40mm bearing rating: ≥50KN Use: apply to the sidewalk, non-motorized vehicles, pole line manholes . Nagasaka Hubei Industrial Co., Ltd. is a research, production and sales as one of the national high-tech enterprises. The company introduced the most advanced continuous fiber technology, and after several years of trial and error adjustment formula, the company specializes main products --BMC, SMC polymer composite materials inspection covers (security covers, composite covers, waterproof covers, manhole covers, sewer covers, rain covers, water wells, municipal wells, side covers, covers Telecom, China Unicom covers, mobile covers, CRC covers, waterproof covers electricity, gas wells, rain grate, cable bracket, cable trench cover, meter boxes, manholes city ??wall and fence, wall decoration pinch etc. using a variety of inorganic chemical materials, supplemented by a special non-metal frame, made of high temperature and pressure, is a new type of environmentally friendly inspection covers, a number of national patents, each term performance targets were met and exceeded the national standard GB National Standardization Management Committee issued / T23858-2009 "manhole covers", rest assured that the product is the user's preferred product advantages:. ★ theft: 100% all-composite, without any metal ★ Strength: Design the most stress, super special skeleton, covered arc, the seat of the pyramid (capacity, enhanced impact pressure several times) in line with the latest GB and over People's Republic of China Standardization Committee issued / T23858-2009 ". manhole covers "national standards ★ quality life: good toughness, corrosion resistance, anti-aging, deformation, anti-bounce, a reasonable service life of 30 years ★ green: car pressure does not slip, no noise, no pollution of urban voice ★ personality. Design: according to customer requirements, made of red, yellow, blue, green, black and other colors, the surface can be made of text, logos, with art, beautify the city convenient ★ construction: the whole secret combination with the road, the road to sink, with mortar and lower elevation, making covers and pavement level the company has passed ISO9001:.. 2008 international quality system certification, "National High-tech Enterprise" certification and "Hubei Famous Brand" certification rigorous scientific management, advanced equipment and excellent production techniques ensure a high standard of product quality. Nagasaka who has been "quality, reputation first" philosophy, with the quality to capture the market, with the credibility to impress customers, solidarity and cooperation, to create "win-win" to build brand in the industry. novel scientific management ideas, advanced enterprise mechanism and modern management model, the company is full of vitality, honest and trustworthy management style also to bring a large number of partners, products across all major small cities, widely used in various fields of municipal construction, power communications, water, landscaping, real estate, natural gas, etc. In the future, we will continue the development of a market economy, for-profit partners, for the prosperity of the market economy and make new contribution now Nagasaka Industrial Co., Ltd. Recruitment dealers across the country, regional distributor, welcome customers to contact us. Hubei composite side covers the lowest price, the best quality composite side covers Hunan, Jiangxi maximum load-bearing composite side covers, Henan factory Wholesale composite side covers, Anhui can go car safety composite side covers, Sichuan ultra-cheap wholesale composite side covers, Shaanxi best quality composite power side covers, Hebei can go car safety composite side covers, inorganic composite covers Chongqing, Guangdong FRP covers, Guangxi specification covers the largest municipal roads, Fujian inspection covers, landscaping covers Xinjiang, Gansu electricity inspection covers, covers most manufacturers specifications Shandong, Shanxi and the best quality lowest price covers, Qinghai composite side covers, Zhejiang composite manhole covers, Guizhou complex mobile covers, Liaoning composite gas wells, Hainan composite CRC covers.