No 1 ChaoFeng road,ZhengZhou,China

Zhengzhou Blackstone Machinery co.,ltd was established in 2010,mainly engaged in exporting and manufacturing of industrial equipments.its predecessor is Shenzhen Hongyuan Industrial Equipment Group fo...

gucheng town, yuzhou city,henan province,China

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daxuelu

GRKY is an integrated company which integrates the manufacture of water treatment equipment, EPC chief contractor and PPP (BOT, BT, TOT, DBO, OT) mode investment. Business field covers water treatment...