
HL Filtration is a high-tech enterprise that focus on study, design, manufacture, sales and service of dedusting and liquid filtration. We continue improve our products and expand relevant business based on the corporation with universities such as Donghua University, etc. We keep purchasing advanced equipment and training professional employee, which ensure the outstanding quality of HL products. Guande HL Environmental Protection Technology Co., Ltd. is one subsidiary of HL Group, founded in ...