Dingjin General Machinery Co., Ltd., Dalian is one of the professional manufacturers for dish end, spherical shell plate and the third class pressure vessel. It was established in the year of 2000 covering 74, 000 square meters which located in beautiful costal city Dalian.

Dingjin has been improved quality assurance system and strengthen quality management constantly in past ten years; Meanwhile, acquired ISO9001 quality management system certification. Dingjin adheres to the quality policy "Abide by laws and regulations strictly, improve continuously, quality first, and customer satisfaction". Until now Dingjin has supplied more than 100, 000 pieces dish ends and spherical shell plates to clients. Thirteen of them are fabricated for key state projects, and 23 of them are fabricated for world top 500 enterprises. Dingjin products get good feedback from clients at home and abroad in quality, service and work-period.

Dingjin insists on the principle of "Technological innovation, scientific development" with recruiting talents and developing technology. Dingjin was identified as national high tech enterprise since 2008. Now Dingin is a innovative enterprise involved research and development, production, sales, service as well as technology consulting. Dingjin is the executive director unit of China Forging Association, and it is also the member of national standard technology committee for fix type pressure vessel. Dingjin conducted overall shareholding reform successfully and its stock was listed on Tianjin precious metal exchange in the year of 2009. The registered capital of Dingjin is 21, 460, 000RMB, and its total assets are 200, 000, 000RMB.

Product Introduction

The characteristics of Dingjin Products

Four main varieties:

1)The dish end is of diversified shape, specification and material.

2)Spherical shell plate applied to various spherical storage tank with different volume.

3)Pressure vessel belongs to A2 grade of the third classification.

4) Spinning unit involved flanging machine and dishing machine as well as hydraulic press for large specification dish ends.

2. The dish ends fabricated by Dingjin in past ten years are of many features

1) Large specification

Dish end with 10000mm diameter and 50mm thickness which is the largest dish end fabricated by Dingjin with integral spinning technology in past ten years.

Dish end with 6000mm diameter and 300mm thickness which is the largest dish end fabricated by Dingjin with integral stamping technology in past ten years.

There is no limitation for diameter when fabricated the dish end with many petals, meanwhile, the maximum thickness could be up to 300mm.

2) Special material Dingjin can fabricate dish end not only with carbon steel, alloy steel and stainless steel, but also have mature process technology and experience with aluminum, copper, nickel, titaniumtim, zirconium, chrome-molybdenum steel, dual-phase steel, nickel-based alloy steel as well as cladding plate.

2) Dish end with complete shapes

Elliptical dished end, torispherical end, hemispherical end, spherical crown end, flat bottom end, toriconical end, horn end, segmental end, arc bottom end, boiler furnace end, furnace platform with outer flange and all kinds of axisymmetric body end.

3) Wide application

Dish ends fabricated by Dingjin were applied widely involving petroleum, chemical engineering, smelting, shipbuilding, unclear power, offshore drilling platform, aerospace, water treatment, pharmacy, beer industries and so on.