Invested by public company with excellent financial image,long history and professional manufacturing,Ningbo Silva Industrial co.,ltd.Established in 1994 and located in Ningbo,has become one of the largest exporters for air conditioning and heat pump products.we owned one home use air conditioner factory in ningbo,refrigerant gas factory in quzhou and one central air conditioner&heat pump factory in Guangdong province. Silva is a professional manufactrurer and exporter that is concerned ...