Frequently Asked Questions
Q1: Who is Zhengzhou Hailos Refrigeration Equipment Co., Ltd?
A1: We are a professional factory specializing in R&D, production and export of precision air conditioners and industrial chillers, located in Zhengzhou, China. We focus on high-precision cooling equipment for data centers, laboratories, laser processing, electroplating, battery factories, medical rooms and industrial production lines. All units are strictly tested before delivery, with complete international certifications for global market sales.
Q2: What is your MOQ (Minimum Order Quantity)?
A2: 1 unit for standard models is acceptable; for customized non-standard machines, MOQ depends on configuration. Distributors with bulk orders get extra factory discount.
Q3: Do you accept factory inspection?
A3: Yes, we warmly welcome customers to visit our workshop and test equipment on site. We support live video factory tours if you cannot come to China temporarily.
Q4: Where are Hailos precision air conditioners widely used?
A4: Server data rooms, communication base stations, medical labs, testing laboratories, battery workshops, optical equipment rooms, clean rooms, electronic manufacturing workshops, and industrial control cabinet cooling.
Q5: Can precision air conditioner work all year round without shutdown?
A5: Yes. Our precision cooling units adopt heavy-duty scroll compressors, EC energy-saving fans and independent control systems, designed for 24-hour non-stop operation all year long with low failure rates.
Q6: Can I adjust temperature and humidity remotely?
A6: Standard models support Modbus communication to connect with monitoring systems; optional WiFi remote control module for mobile phone real-time parameter checking, alarm reminders and parameter modification.
Q7: What refrigerants do you use for precision AC?
A7: Mainly eco-friendly R410A, R134a; we can replace with R32, R290 low-GWP refrigerants to meet local environmental regulations in your country.
Q8: Do you support OEM / ODM customized service?
A8: Yes, full OEM & ODM service available: custom unit size, voltage (380V/220V/415V 50/60Hz), brand logo, control panel language (English, Spanish, Russian, Vietnamese), special refrigerant, remote monitoring system, cabinet color. We can design new model drawings based on your working conditions.
Q9: Do you provide technical drawing and parameter sheet?
A9: Yes. After confirming the model, we supply dimension drawings, technical datasheets, wiring diagrams, and installation manuals in English PDF files for your project design.
Q10: Can you supply spare parts separately?
A10: Yes, we offer all replacement spare parts: compressors, fan motors, controllers, filters, expansion valves, and sensors.
