Company Advantages
1. HAOAIRTECH wall pass through box is manufactured making use of advanced production technology.
2. This product is highly regarded among customers, with high durability and high cost performance.
3. In order to meet the international quality standards, this product has passed strict quality inspection procedures.
4. The high reputation from customers confirms the high quality of dynamic pass box .
5. Guangzhou HaoAir Purification Technology Co.,Ltd. has formed standardized management system.

The special design of the negative pressure pass box to form a pressure difference between the positive pressure of the clean room and the negative pressure in contaminated area, it forces the air flow direction from the clean area to the contaminated area always. In this flow process, pass box inside dust on the cargo and the suspended particles in the air are taken away to achieve the possibility of completely avoiding cross contamination. four side inner arc design proved the dust accumulation, Overall seamless connection soft PU Foam gasket have very goods performance in eliminate air leaking problem.

Company Features
1. Guangzhou HaoAir Purification Technology Co.,Ltd. own an excellent R&D team and have several production bases.
2. We have relatively wide distribution channels at home and abroad. Our marketing strength not only depends on pricing, service, packaging, and delivery time but more importantly, on the quality itself.
3. Guangzhou HaoAir Purification Technology Co.,Ltd. will replace the broken spare parts for customers with small charge or without charge. Please contact. It is the permanent tenet for Guangzhou HaoAir Purification Technology Co.,Ltd. to go after wall pass through box . Please contact. We have received more and more reputation since the shape of the management tenet of dynamic pass box . Please contact. We runs the business according to the service tenet of pass box clean room . Please contact.