quality first, service first as the goal, to provide customers with high-quality products
tel：021-65462202
fax：021-65457740
hottel：18930582216（mr.chen）
18019740735（mr.gu）
e-mail：erzhenkong_pump@163.com
website：www.2vacuum.com
address：no.255, cheung road, baoshan district city, shanghai
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