According to Aiqi, Zhongshan Dongfeng has a second-hand instrument recycling company called dongfeng town. Its main business is recycling second-hand instruments and meters, and it is possible to recycle liquid level meters.

Dongfeng Town Second-hand Instrument Recycling Co., Ltd. adheres to the business philosophy of "fairness and justice, honesty and trustworthiness, mutual benefit and small profits but quick turnover", and has a good business reputation for long-term recycling of waste materials at home. The business covers all districts in Shenzhen and has long-term cooperation with many enterprises in Guangdong and other places.