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Company WhatsApp: +86 180 2543 2154

Company Wechat: +86 180 2543 2144

Longxin Group business acceptance email: dunkunde@zhongshanx.com

Longxin Group after-sales service mailbox: yuanzhen@zhongshanx.com

The basic PAC ordered by the sewage treatment plant is used to adjust the pH value of the sewage