The company is iocated in Chunxiao Park, Ningbo Economic & Technology National-level Development Zone, at Southeast China coastline area with most developed economy, where enjoys very convenient traffic, occupies a floorage of 62000 sq.m of modern standard plant, and an overall construction area of 68000 sq.m. and a green area of 11770 sq.m.  moreover, a team consisting of over 50 talents professional in design and manufacture of valve pipelines, it is one of most advanced base for R & D and manufacture of rubber valves and pipelines, the company is the first one in the domestic to design, R&D and produce rubber pipelines and valves. As the national key production base for rubber pipeline and valve, Dingnai is well-known for its whole-set and whole series of pipelines and valves.

Dingnai has gathered more than ten years’s experience and established a solid foundation to face any application challenge and offer you perfect solution. In order to further improve the quality of products, suit market competition, meet varied industrial needs, offer clients with complete matching products and meet one-time purchasing require-German Krauss-Maffei streamline and technologies of sheet pipelines and have possession of largest and most advanced injection machine in the domestic, USA LUBRIZOL CPVC and ATOFINA PVDF are applied for raw materials to produce high quality CPVC pipeline systems of various specifications applicable for industrial use, water supply application, PVDF pipeline for industrial use, ultra-pure water use and CPVC pipeline suitable for fire control, and industrial-use RPP pipeline system, industrial-UsePPH pipeline, sheet materials, storage tank and valve etc., Especially valves involving diaphragm valve , butterfly valve, ball valve, stop valve, check valve and so on. Main materials consist of PPH, CPVA,PVDF,RPP and UPVC. Our company has all plastic injection machines necessary for mold design, product injection, processing and product delivery, and equipments for metal cutting and ex-factory examination etc.. Today, Dingnai Company has become one of professional manufacturers  home and abroad of rubber pipeline, sheet materials and valves with most varied materials, most complete specifications and best quality.

At present, under the continuous development of rubber pipeline and corrosion-resistant valves industries, the company has obtained the certifications of ISO9001 quality control system, ISO14001 environmental management system, ISO18001 employment safety and health management system, TS man-ufacture license for special equipments, as a high tech enterprise in Zhejiang province, it is also one of the first ones in Ningbo City to be qualified for energy saving and consumption reduction. Dingnai will wholly integrate the advantages of talents, brand and culture to greatly perform technical, quality and brand strategies and abides by the development concepts of quality-based development, continuously upgrades concepts and constructs high quality brand products to meet the needs of market and be industrial leader.

Dingnai people will be going to try real real had, our goal of ideal and efforts is to commonly develop and flourish with clients, and to be global manufacturer with best competitiveness.