
ZHENGZHOU LIUDU MECHANICAL ELECTRICAL EQUIPMENT Co., Ltd is a professional manufacturer of hot air welding machine and eyelet machine. We focus on the production and sales of PVC hot air welding machine for 10 years. Our products have been exported to more than 60 countries and regions, and have repeatedly won domestic sales champion. Our company's R & D center has obtained 16 national patents, digital constant temperature system, built-in suspension system, automatic protection system, high power and high ...