Qingdao Haida Jingrui Graphite Co., Ltd. was established in December 2015, covering an area of more than 10,000 square meters. The company has the most advanced lead core production equipment in China, with an annual output of 4000 tons. The laboratory is equipped with the most advanced testing instruments in China, which can accurately detect various indicators of lead core and always grasp the quality data of products at all levels in the production process, providing a guarantee for product quality. The company's business scope is the production of various specifications of pencil lead products, H class 9H-H; F; HB; Class B B-12B,14B,15B; Woodworking lead, carbon lead, graphite pen, sketch series, etc., sales of self-produced products, engaged in the import and export of goods and technology business. The company has sufficient graphite raw materials, all from Qingdao Haida Graphite Co., Ltd. and Luobei Haida Graphite Co., LTD., is an important production base of large-scale graphite, raw materials with high carbon content, small particle size, stable quality, delicate and smooth, is an excellent material for manufacturing lead core. The company firmly grasp the opportunity, adhere to give full play to industrial advantages, adhere to expand domestic and foreign markets, adhere to promote the integration of the industrial chain, the pursuit of excellence, beyond the self, improve quality, and develop in the direction of high precision.