The cost for materials refers to the investment in raw material from the supplier for mass manufacturing of the product. Some manufacturers will ensure low cost of materials of daf water treatment through detailed investigation to the domestic market and foreign market. They will negotiate with the suppliers to ensure a stable supply of different ingredients through long-term contracts. The price may fluctuate owing to the market demand or seasonal change, but it basically remains stable to help customers gain business profits.

Qingdao Jinwantong Environmental Science and Technology Co., Ltd. self-develop, manufacture and sell high-quality lamella clarifier. Jinwantong's dissolved air flotation series contains multiple sub-products. Jinwantong wastewater treatment equipment is designed under the vigilance of our talented and professional designers. The design is mainly based on wastewater source, wastewater quality, and local emission standards. The high quality, excellent performance, and long service life make the product stand out in the market. Being built with standardized “building block” methods, it allows for quick delivery and installation.

We give priority to sustainability in the process od our business. We aim to improve our product quality in a sustainable manner and reduce waste as possible.