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DOCERAM Yixing

 

Workshop Yixing

 

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Yixing DOCERAM Engineered Ceramics Co., Ltd. is located in Yixing, 180 km west of Shanghai, at the west-banks of Taihu Lake in Jiangsu Province, one of the furthest developed provinces in China.

In May 1995 the company was established as a Joint Venture with the local government, the German share being 75%, the Chinese partner providing land and buildings. Machines and technology were imported or customized built. Raw materials were imported from Germany. Only with a strong production, high quality raw materials and a good management the company would be able to meet the strong European competition.

A few months later, the company went into operation with the production of Alumina thread guides and on the 1st of January 1996, Thomas Krause took up his assignment as the General Manager in China.

Yixing DO CERAM which had started with an exclusive production for the German parent company became a success. The quality well met the high European standards and the price was extremely competitive.

As a result, in the following years the company ground was enlarged and the paid in capital increased. The German part of the investment rose to 97%.

Today the company stretches over 5800 square meters, with three production areas and an office section. With two foreign managers (Technical Director/General Manager) and over 100 Chinese employees, the company is a well managed and structured, independent company of the Moeschter Group.

 

  Sales

 

Sunrise Mansion, Shanghai

 

Shanghai Office

 

Our Friendly Sales Team

 
 

During 2 years of exclusive production for DOCERAM Germany we were witnessing, that Asian Textile Producers with imported machines had to pay an unreasonably high price for good imported ceramical thread guides, mostly as a result of transportation, customs and a high-price policy of the overseas suppliers - our competitors. Finally, in 1997 we decided to offer an alternative: thread guides of German quality made in China.

The experience with European customers and quality standards had taught good lessons and when the approach was made, we were well prepared. A representative office in Shanghai was established for our Shanghai and overseas customers and new products were developed for the Asian markets in particular.

The very hard but smooth and fibre-friendly character of our imported material makes it the perfect match for chemical fibre applications. It is for this reason, that we were appointed "Supplier of the Chemical Fibre Industry of China" by the "China Petrochemical Corporation" (SINOPEC) in 2000.

Meanwhile, our spare parts for machines from Barmag, Teijin Seiki, Murata, Scragg and others are sold all over China as well as to Taiwan, Korea, India, Thailand, Malaysia, Singapore and Pakistan. Our bestsellers are Take-up Winders with imported PA shoes from Germany. Assembled systems of ceramic and metal are also available.

Today we are not only supplying spare parts to textile producers, but we are also delivering customized products to textile machinery producers in Asia. Due to our excellent moulding centre, we can produce virtually any shape according to the customer's requirements. Some of China's largest and most famous textile machinery producers are among our customers.

Besides textile applications, high temperature, electric and other industrial applications are constantly growing. Among those are automobile, sensor technology, welding and household products.

 

  Production

 
     
 

Yixing DOCERAM is using a low-pressure injection moulding system for the production of smaller sized parts.

The ceramic powder is mixed with a compound, based on different paraphines and additives. The feedstock is injected into the cavity of a mould and the injected body finished by the manual removal of mould separation lines.

This body is then slowly heated up for thermal debinding during which the bonding material evaporates. The debinded body is fired in a high temperature sintering process. During this process, the molecules crystallize and the ceramic part shrinks. After sintering, the ceramic part is ready "as fired". In a final step, mechanical, chemical and thermal treatments are applied to achieve defined surface characteristics.

Large-size products are dry-pressed.  A ceramic granulate containing a binder is pressed into a metal dye.  The green body is stable enough to be machined.  Debinding and sintering are done in one step.

For highest precision requirements, parts are diamond ground.

The quality is supervised by an independent quality control during the whole production process and the ready made parts are finally checked one by one.  Dimension (DIN EN ISO 2768-1(c)), density, hardness, surface structure, surface roughness (DIN EN ISO 4288), and appearance are the items which are constantly measured and checked during the production.

The quality of our products depends on our know-how. Research and development are constantly involved into improvement of the existing and creating of the new.

 

 

 

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