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About Us

As an experienced zip lock bag making equipment manufacturer in China, Xinda provides a full range of grip-seal bag machinery, zipper machine, plastic machine, and more.

Xinda was founded in 1996. Our president, Guo Xiaode, developed the first zip lock bag making machine in China in 1994, which was granted the national patent certificate. In the 14 years since, the staff at Xinda has been dedicated to developing new techniques and introducing internationally advanced technologies and production equipment in order to continue our lead in this field. In addition to high quality, low priced products with easy operation and long lifetime, we also provide excellent after sales service. This is why our products are so popular with customers both in the domestic and overseas markets.

Quality and Cost Control

Since we began, we have followed the management philosophy of putting quality first, and so, have implemented strict quality control in the production of our grip seal bag machinery, the zipper machine, and more.

For example, we have established a technical department, with personnel who are dedicated to continuing our research and innovations in this field. We also have a special quality inspection department, which is responsible for the rigid quality control of raw materials, spare parts, and every production procedure. Large investments in high precision processing equipment, and employing experienced technicians helps to ensure the high efficiency and high quality of our products, and enabled us to continue at the head of our field. With our continuous efforts, our company is ISO9001:2008 certified, and our products are CE certified.

In order to gain more customers, we do our best to offer the lowest prices on high quality color strip extruder, film blowing machine, and other products. We use highly automated equipment and make use of our access to a wide variety of processing factories, which reduce our processing cost. In addition, a highly qualified, efficient staff also lowers our labor cost.

Through our continuous efforts, our high quality, competitively priced products have found markets in Germany, the United States, Singapore, Poland, South Africa, Brazil, India, Thailand, Malaysia, the Philippines, Iran, Ecuador, Colombia, Venezuela, Algeria, and more.


We will provide samples for your inspection, for just the cost of shipping.

Each of our products comes with an additional set of spare parts and a one-year warranty. During this period, we offer free maintenance service, free replacement parts, and more.

Xinda is one of the leading grip seal bag machinery and zipper machine manufacturers in China. Located in the economic development zone in Ruian city, our company has easy access to convenient transportation, as we are close to major highways, Wenzhou airport, and Wenzhou railway station. This allows us to offer reasonable freight charges to our customers. For more detailed information, please feel free to contact us. We at Xinda are ready to serve you.

Xinda is the earliest manufacturer of zip lock bag making equipment in China. Its founder Guo Xiaode, began to engage in doing the research of zip lock bag making equipment in 1993, and successfully developed the first zip lock bag production line in the next year. And in 1995, he invented the new model ziploc bag die head and zip lock bag making equipment, both winning the utility model patent, with the patent number 2L95209271.9 and ZL95212709.1 respectively.

In 1996, Mr. Guo Xiaode set up the Ruian Xinda Zip Lock Bag Making Equipment Co., Ltd. ( In 2000, it was renamed as Wenzhou Xinda Zip Lock Bag Making Equipment Co., Ltd.)
In 1997, one of stockholders of our company, Mr. Chen Jianshe successfully developed the plastic zipper production line and put it into mass production.
In 1999, our company successfully produced the cold storage spiral die head for zip lock bags. (Until now, there is no spiral die head of this type produced by other manufacturers in China).
In 2002, our company successfully produced the RT-700 zipper bag machine with attachment to overcome the difficulties of multicolor printing, and improve zip lock bags' productivity.)
In 2006, our company received the ISO 9001:2000 Quality Management System Certification.
In 2008, we have passed the CE product certification.
In 2009, the research group led by Mr. Guo Xiaode researched and developed the first automatic slider installing machine and the mould of the hook type slider for zip lock bags, which have also obtained patents.

If you want to know more detailed information, please feel free to contact us via phone or e-mail. We at Xinda are ready to serve you.