Shandong Wanhao Paper Industry Group Co., Ltd., formerly known as the state-owned Linqu County Paper Mill, was founded in 1966. In 1994, it was approved by the provincial government to establish a joint-stock company with a registered capital of 19.099 million yuan. It is composed of six companies, including Linqu Yulong Paper Co., Ltd., Shandong Longde Composite Materials Technology Co., Ltd., and Linqu Paper Industry Chemical Co., Ltd. The group is located at No. 5311 Huate Road, County Economic Development Zone, covering an area of 420 acres. It currently has 1200 employees and a total asset value of 680 million yuan.

Shandong Wanhao Paper Group currently has two filter paper production lines, four special paper production lines, one coated paper production line, one cultural paper production line, two daily paper processing production lines, two paper chemical production lines, and one packaging material production line. Among them, filter paper production lines and coated paper production lines are imported from abroad, and advanced constant temperature and humidity laboratories are established. Various laboratory and testing instruments are imported from abroad. The annual production capacity of machine made paper reaches 120000 tons, and the main products include: industrial filter paper (alcohol soluble, water soluble), release base paper, transfer printing paper, and marking frame paper; White kraft paper, natural kraft paper, oil proof paper, food packaging paper, hamburger (original) paper, coated base paper, lining paper, acidic packaging paper, and hand bag paper; Carbon free copy base paper, thermal sensitive base paper; Coated paper, double adhesive paper, dictionary paper; Anti-counterfeiting paper, colored fiber paper, art card paper, stamp paper; Toilet paper, tissue paper, napkins; And more than 30 varieties of eight series of chemical materials and packaging materials used in papermaking.

Shandong Wanhao Paper Industry Group has been rated as a provincial-level "contract abiding and trustworthy" enterprise for more than 20 consecutive years. It is one of the top ten quality enterprises in the Chinese paper industry, one of the top 100 industrial enterprises in Weifang City, one of the 100 famous enterprise groups in Shandong Province, and a trustworthy product unit for consumers nationwide. It is an "AA" level customer of China Construction Bank and one of the best credit and integrity customers in the banking industry in Weifang City. The enterprise has passed ISO9001 international quality system certification, ISO14001 environmental management system certification, QS certification for food paper packaging, OHSAS occupational health and safety management system certification, China Environmental Labeling (Type II) product certification, FSC forest certification, IATF/16949 automotive parts quality management system certification, obtained anti-counterfeiting material production license, and passed clean production audit. At the same time, the group has been recognized as a "high-tech enterprise in Shandong Province" by the Provincial Department of Science and Technology, awarded the "Weifang Automotive Filter Paper Engineering Technology Research Center" by the Municipal Science and Technology Bureau, awarded the "Weifang Engineering Laboratory" by the Municipal Development and Reform Commission, and listed on the Shandong Property Rights Trading Center (referred to as Longde Technology, equity code 300239).

Shandong Marriott Paper Group always adheres to the business philosophy of "quality first, reputation first, and reducing customer risk to zero", and wholeheartedly provides customers with high-quality products and services.