Puma skates with PP plastic stents and aluminum stents why plastic than aluminum is also expensive ah? In the end which is better? More
Not tested or tested unqualified shall not be used 5 demolition operations must be carried out from top to bottom, is strictly prohibited from top to bottom at the same time operations Sub-demolition of the height difference should not be greater than two steps With the wall bracket with a wall bracket, the connector must be removed with the bracket layer, is strictly prohibited to remove all or several steps before the removal of the bracket 6 unloading should meet the following requirements: It is strictly prohibited to pipe, fasteners thrown from the height to the ground Second, as China's market economy system is increasingly perfect and the continuous expansion of foreign trade, to a large extent will make our products to participate in greater competition in the market, and to make fasteners and products at home and abroad The market a firm foothold, both "keep alive", 7 operating layer on the construction load should meet the design requirements, not overload Scaffolding can not be connected with the template bracket 8 stencil bracket during use, shall not be arbitrarily removed rod When the template support base or adjacent to the equipment at the base, the trench, the use of the stent in the process shall not be excavated, or must take 9 reinforcement measures
W-type non-bearing cast iron drainage pipe and pipe fittings products are based on GB / T-2008 "flexible interface with cast iron pipe, pipe fittings and accessories" standard production
High level of operation at a high level of operation in the 2 - 5m, known as a high level of operation, falling range of semi - hungry view of the spring claw mill silicon Tong Hai Kun diameter R is 3m high operating height of 5m to 15m , When the height of the falling range R is 4 m high above the operating height of 15m to 30m, it is called the three-level operation, the falling radius R is 5m high when the operating height is more than 30m, Known as the extra high level operation, the falling radius R is 6m
