fiberglass m.anhole SMC manhole cover
USD $1.00 - $1.00 /Set
Min.Order:50 Sets
Qinhuangdao Shengze New Material Technology Co., Ltd.
Glass fiber reinforced plastic covers is made of unsaturated polyester resin as matrix of fiber reinforced thermosetting composite material,by molding pressure technology, is a kind of new environment-friendly power cover.