"Internationalization" has been lasting strategic direction, the current products in addition to the sale in more than 20 domestic province also have been sold to 35 countries around the world, with persistent constantly develop new products, new technologies, in order to further expand the international market area, Qingdao Duratight Advanced Materials Co., Ltd was established in 2020, in the service of high and new technology products of international sales, to better serve the needs of customers.

Based on the continuous pursuit of the concept of healthy life, Qingdao Darsh Pinsun Furniture Co., Ltd. was established in 2018, which mainly produces the products related to seating and bedding. The product is composed by the pure natural material such as Solid wood, palm, cane, use the Mortise and tenon technology, the surface passes burnish polishing, brush plant wood wax oil or go up traditional lacquer processing and become. At the same time, the establishment of "Dashi Life" brand, leading the concept of universal benefits, health, comfort, environmental protection, the combination of traditional and modern.

Qingdao Hi-Duratight Co.,ltd. After continuous technology research and development and market research, the establishment of "Armosh" home brand, officially entered the health home industry, become the first domestic carbon as raw material home brand! Armosh's human health as its own responsibility, carbon source materials and modern technology perfect integration, so that the product can release a large number of far infrared ray and negative oxygen ions, the human body has a significant conditioning and health care role.

"Education is the foundation of a country". In 2014, from the perspective of employees' children's education, Duratight established Qingdao innertune kindergarten. On children's school adhering to the "with the classic, with children grow up, enjoy a happy life" concept of education, education through a series of characteristics, including China, anthroposophy, bilingual environment, etc., according to the characteristics of the children preschool period, literature and understanding to the practice the body browser to set life, targeted to develop the ability of children, so that the children will do and will be, will be grateful, the pursuit of truth and wisdom, develop healthy living habits and values.

The company insists on having its own research and development ability to guarantee the sustainable development of the company under the concept, after nearly ten years of industry research and professional knowledge precipitation and the introduction and training of research and development personnel. Under the background of MOCVD technology has been imported from abroad, Qingdao Duratight has been committed to the research and development of technology, to guide the promotion of domestic technology as the mission, the company transformed into a set of research and development and production as one of the high-tech enterprises, in order to promote the technological innovation in the field of chip manufacturing, with the direction of domestic instead of imports and efforts to develop. At the end of 2012, Qingdao Hi-Duratight Co., Ltd. was registered and established.

Qingdao Hi-Duratight Co., Ltd. is a joint-stock enterprise specialized in researching, developing and producing new carbon materials and graphite civil products. The company has applied for more than 30 patents, and constantly carry out the research and development of SiC coating. At the moment, it has established long-term cooperative relations with many well-known domestic and foreign enterprises.

In the continuous expansion of foreign markets, we have carried out research and development on the Indian market for a period of 5 years. According to the particularity of the Indian market and the needs of customers, we officially registered MTD Foundry Material PVT Ltd in India in May 2012. After the establishment of the company committed to the Indian market in-depth development, so that the company's international market business more mature.

Under the background of expanding domestic and foreign markets, the company has decided to enrich its product categories and further expand the market area. Therefore, in 2008, Qingdao Changsheng Carbon Industry Co., Ltd. was established, with its main products adjusted to natural graphite products, recarburizer, artificial graphite products, etc. After years of research and development and combined with customer experience in the production of recarburizer, with high carbon, low sulfur, low nitrogen and other excellent characteristics, the product can improve the strength of castings, reduce the reject rate, is the automotive foundry industry, wind power industry and other production of high-quality castings essential preferred material.

With the opening of international market environment, the company after a thorough investigation and analysis of the domestic and international market environment, in order to a wider range of services to our clients and meet the demand of the development of the enterprise, was formally established in 2006 in Qingdao long trade co., LTD., began to expand overseas market, is committed to lasting surrounding the seal of the company's products and raw materials import and export, as well as the subsequent development of other companies' products import and export business.

In the market economy environment, the company decided to change the system from a collective enterprise to a joint-stock enterprise, so that the enterprise can be more flexible and fast to adapt to and keep up with the development of the market economy. In 2004, Qingdao Changsheng Sealing Co., Ltd. was formally established as a joint-stock enterprise to produce and sell graphite products mainly including graphite paper, graphite gasket and packing ring.

To mining, purification of natural flake graphite mainly, while processing some graphite sealing products.