about hongjia air conditioningweihai hongjia air conditioning equipment co., ltd. was established in 2002, is specialized in the central air conditioning equipment design, installation, sales, service and set of professional companies, with many years experience of commercial air conditioning, have ...

please call us or send emails to us if you want to reduce your manufacturing cost, improve quality or work faster. we are always ready to help with our rich experiences and know-how. vision:becoming a respectable manufactuer in rubber and plastic industry. philosophy: build value for clients wit...