There are plenty of materials being used for producing sand filter . Qingdao Jinwantong Environmental Science and Technology Co., Ltd. will conduct experiments to find out the best ratio of the materials for the optimal performance of the product. The materials, before put into the workshop, have been fully tested and inspected to see whether there are defects or malfunctions. They are indeed packed in good condition and well maintained for long term storage. Customers can browse through our website to see the materials or visit our factory for on-site verification.

Jinwantong is an outstanding brand in the industry. Jinwantong's wastewater treatment equipment series contains multiple sub-products. Jinwantong cpi oil separator is manufactured in accordance with the quality standards of the industry. It can be used individually or stacked. Upon testing, the product is in strict accordance with the global quality norms. Expertise including mechanical, chemical and biological solutions are employed for its manufacture.

We have launched a series of sustainability initiatives. For example, we minimize our carbon footprint by using electricity more efficiently and reduce greenhouse gas emissions by minimizing waste.