Dongguan Longwangda Technology Co., Ltd. is located in Dongguan
City, Guangdong Province, China, which is known as the world's
manufacturing center. It is a professional technology company
integrating R&D, production and sales of heat and moisture
exchanger filter materials. The company has independent
intellectual property rights and independent import and export
rights. It is a private technology enterprise and a contract and
trustworthy enterprise assessed by the Dongguan Science and
Technology Bureau. The company's products are developed and
perfected around medical heat and moisture exchangers. The existing
products include single and double-layer corrugated wetted paper,
type single-layer wetted paper, bacterial filter membrane, and
special water-absorbent raw pulp paper. The raw materials used in
the products are all wood pulp and cotton pulp imported from
Canada, the United States and Russia. The company has one large
laminating machine, two slitting machines, three cutting machines,
and a complete packaging production line. At present, the
corrugated laminating capacity is 150 tons/month, and the slitting
capacity is 5 million meters/month. It is an authoritative special
wet paper manufacturer in Guangdong Province. The company's
production lines strictly follow the standards of Eisai to
purchase, process and repackage raw materials, and use 10% of the
annual profit as the company's follow-up product research and
development expenses, and continue to innovate new products. The
company adheres to the tenet of people-oriented, technological
innovation, sincere service and customer first. According to the
different needs of users, we will continue to innovate thinking,
integrate technical strength, and launch and sell more and better
filter products to serve our customers.