Ningbo Sidalong plastic products co. LTD. (" Sidalong"),is founded in 1998 with a registered capital of 10 million yuan, and is located in Mingwei industrial park, Yuyao city, Ningbo city, Zhejiang province, which covers a total of 15000 square meters. It is a large - scale modernized enterprise that is dedicated to the development, production, sales and service of the central air conditioner energy - saving control product and system. The company is a subsidiary company of Duowei enterprise. It has introduced several domestic advanced disposable molding automatic tuyere production lines, with thousands of different kinds of molds, and the daily output can reach up to 10,000. It is the professional manufacturer of ABS tuyere in the industry. The products mainly include: air outlet, return airport, overhaul port, square circle, sleeve, etc. Since the production launch, the product has gained the customer’s extensive reliability and has established strategic cooperative partnership with many enterprises in the industry due to stable performance, novel structure, convenient installation, reliable operation and high cost performance. Currently, the series products are sold not only to various provinces and municipalities throughout the country, but also to 20 countries and regions around the world. It is widely used in the ventilation and air - cooling equipment system of public, civil construction, chemical industry, food, metallurgy, electric power and ship, etc., which is widely used in hotels, large shopping malls and airports. In the future, the company will continue to adhere to the concept of "scientific and technological innovation, quality first and customer first", and continue to offer a perfect product service experience for every customer with the enterprise spirit of "steadfastness and excellence". We sincerely welcome people from all walks of life to carry out a wide range of economic and technical cooperation to create a better future with our company.