we are manufacturer of ductile iron pipefitting and supply ductile iron pipe.gasket manhole cover.
pipe is accroding to ISO2531.EN545 EN598.
manhole cover is accroding to EN124.
gasket is accroding to ISO4633
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商铺网站链接：http://kdwater1996.cn.vooec.com
主营业务：ductile iron pipe. fitting .gasket .manhole cover