Building Materials Co., Ltd. mainly produces Liaocheng Shunxiang variety of milling of cast iron, ductile iron pipe fittings for ductile iron pipe fittings, flexible cast iron pipe fittings, cast iron pit wells quality of our products quality. The adhesive material on the apron wiping clean the apron bent as "plum-shaped" or "8"-shaped groove into the socket ductile iron pipe installation contract, and pressing his hand again along the entire ring, or with a rubber hammer real hit to ensure that all departments apron Alice does not twist, the average land card in the slot. The lubricant evenly brushing the inner surface of the socket to install a good apron, ductile iron pipe fittings when brushing the outer surface of the lubricant jack jack jack line outside the site you want to brush all uniform. Building Materials Co., Ltd. mainly produces Liaocheng Shunxiang variety of milling of cast iron, ductile iron pipe, cast iron pipe fittings of high quality flexible construction specifications ductile iron pipe fittings, cast iron pit wells quality of our products. Ductile iron pipe buried deep freeze should be based on the degree of: buried deep ductile iron pipe fittings shall be determined according to the degree of freezing, external loads interspersed with other elements such as pipes. Under normal circumstances, buried at depth can be 0.2 meters below the frost line, and fit the following conditions: When the diameter is greater than 100mm, tube top minimum depth of 1.20 meters. Ductile iron pipe fittings] [Yiwu, ductile iron pipe installation contract, Shunxiang ductile pipe provided by Shunxiang ductile pipe. Welcome to consult Liaocheng Shunxiang Building Materials Co. (www.lcsxjc.com), be sure to specify when contact is through the "Business Alliance Member" see, thank you! Contact: Manager Ge