Frp Smc Bmc Composite Materials Manhole Cover 315 Ton ...
SMC resin heat pressing hydraulic manhole cover press machine, Hydraulic control adopts to insert set valve integrated system, decrease let out Point.Movement reliability, durable and long life span, It is constant pressure to realize with calm in the first place and calm procedure two develop technology, have to insure press the function of delay time, The route of working pressure may be ...
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