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Our Certificate of High & New Technological Enterprise has successfully passed the government review and our rural sewage treatment equipment successfully entered the Hainan market.

We started to engage in public toilet sewage treatment business and upgraded our septic tank treatment system successfully.

Our rural sewage treatment project was successfully launched in Shenyang and Xiamen.

We began to engage in rural sewage treatment business and achieved success in Dongsheng Village, Shenyang.

We obtained Certificate of High & New Technological Enterprise and 5 patents.

We began to expand our septic tank treatment business nationwide.

We began to sell our mobile septic tank treatment system.

We began to design and manufacture mobile septic tank treatment system.

Founded Shenzhen Chengdaotong Environmental Protection Technology Co., Ltd.