To meet the customers' over-expected pleasure , now we have our potent staff to offer our greatest general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for negative pressure room, Air Handling Unit System , Ventilation In Buildings , industrial hvacr ,Villa HRVs . All products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. Welcome customers new and old to contact us for business cooperation. The product will supply to all over the world, such as Europe, America, Australia,Singapore , Somalia ,Oslo , Jamaica .With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.