Longgang group

——Strong technical force and excellent product quality.——


Shandong Longgang Silicon Technology Co., Ltd. is subordinate to Weifang Longgang Industrial Group. The company was established in 2011. It is a high-tech enterprise integrating R & D, production and sales, vice president unit of China Inorganic silicide Association, national enterprise credit rating 3A enterprise, national specialized and new "little giant" enterprise, Shandong manufacturing single champion enterprise Top 50 new material leading enterprises in Shandong Province, Shandong technological innovation demonstration enterprise, Shandong gazelle demonstration enterprise, Shandong "invisible champion" enterprise, Shandong high-end brand cultivation enterprise, Shandong specialized special new enterprise and Shandong fine management model enterprise.

The company has 438 sets of production equipment, mainly producing more than 20 kinds of products such as flame retardant, accelerator, sodium metasilicate and sodium silicate, with an annual output of 100000 tons of inorganic silicide products. The products are widely used in textile, building materials, fire prevention, anti-corrosion, rust removal, ceramics, printing and dyeing and other fields.

After years of development, the company's marketing network has spread all over 17 provinces and countries and regions such as the United States, Canada, Japan and South Korea, Western Europe, the Middle East and Africa, and has a high level in capital scale, economic benefits, enterprise management and system construction. In 2021, the company set up Qingdao Branch, which is mainly responsible for the operation and management of international business.

Adhering to the concept of "science and technology promote innovation and innovation drive development", the company now has Shandong Engineering Laboratory, Shandong Engineering Technology Research Center, Shandong Marine Engineering Technology Collaborative Innovation Center, Shandong academician workstation, Shandong postdoctoral innovation practice base, Shandong enterprise technology center, Shandong one enterprise one technology R & D center There are 14 provincial and municipal scientific and technological innovation platforms such as Weifang Engineering Technology Research Center, Weifang Engineering Laboratory, Weifang key laboratory and Weifang industrial design center, which have obtained 13 national authorized invention patents and 50 utility model patents, undertaken more than 20 provincial and municipal project topics and developed 3 provincial scientific and technological achievements. The company has passed the intellectual property management system certification and ISO9001 quality management system certification. The silicon-based flame retardant products of flame retardant textiles independently developed by the company have been listed in the key promotion catalogue of new products in Shandong Province, the catalogue of innovative industrial products in Shandong Province and the catalogue of the first application demonstration guidance of key new materials in Shandong Province. After identification by relevant departments, the core technology has reached the international advanced level and filled the domestic gap, It has won the second prize of Shandong science and technology progress award, the first prize of Shandong enterprise technological innovation, Shandong invention and entrepreneurship award and many other honors.

The company attaches great importance to talent work and has established cooperative relations with Jilin University, Dalian University of technology, Sichuan University and other universities, providing a strong guarantee for enterprise development and innovation.

In the future, the company will be based on scientific and technological innovation, pay close attention to product quality, pursue the values of "customer first, honest management, keen innovation and teamwork", commit to leading the development trend of the industry, and strive to become a global enterprise trusted and loved by the public.


The Longgang group is looking forward to communicating with all the staff!

Sales Department (domestic business): 0536-7803888

Qingdao Branch (International Business): 0086-0532-67788333

Email (International Business): elaine07@sdlonggang.cn

Enterprise management department: 0536-7709555

Human resources department: 0536-7775222

Fax: 0536-7709555

Company email: wflgjt@163.com

Postal address (company headquarters): No. 6, Changlong Road, Liutuan project area, Changyi City

Postal address (Qingdao Branch): room 319, building 4, No. 1068 Jinshui Road, Licang District, Qingdao