Rui''an Hengfeng Envelope Bag Machine Factory is a domestic manufacturer specialized in developing the automatic production lines of envelope making machines. In the past ten years, we have introduced up-to-date technology and equipment, as well as technicians. With the adoption of W+ D technology, the performance of our machines has been greatly improved. As one of the leading envelope machine manufacturers in China, we emphasize a lot on customers'' needs. For example, we have built up a professional QC team who is responsible for examining every machine we produce. We are proud to assure that all our products are qualified, safe and efficient. Apart from QC team, we have also established a R&D group who is dedicated to researching and designing new products and technology. We sincerely hope to establish good relationships with customers all over the world. Any inquiries will be appreciated.