Ningbo Haolong Electric co.,Ltd.is a modernized specialization enterprise founded in 1999,Area 10000 square meters,with professional design team,perfect management.Scientific research,manufacture,sale and serve at the same time.our main products are trailer plug/trailer socket /trailer connector/7 way socket breaker 12V:15Amp,20Amp,30Amp,automobile clutch,cigar lighter and Earth Clamp/Eletrode Holder/Ground Clamp and so on two big professions. Our company always stick to the purpose of quality first, users first and reputation first . Now our products have already been widely used in the industries of car, trailer, boat and so on .Meantime, we may supply customers with European socket and plug , American socket and plug and other kinds of bands. Our products have come to every corner of our country and exported to the USA , England and South Africa and some other countries as well. And they are all well-received. With the lowest prices and best services, our company is ready to welcome every friend to set up business relationship with us, no matter from home or abroad. Let's advance hand in hand to meet our bright future.