About Us

Jiande Welfine Import & Export Co., Ltd.

The original JIANDE SINFINE POWDER METALLURGY FACTORY. Located in economically developed HangZhou Jiande city, established in 2001, Welfinehas a self-built workshop of 5000 square meters, the annual production capacity of 500 tons. 

We are specialized in powder metallurgy with 17 years experience with good public praise, quanlity and integrity in this field. There are thousands of products have been produced, export to Japan, Denmarks, the Netherlands and USA, etc.

We have our own researh & development team. All new products have strong technical support behind them.

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Technical departments of existing senior engineers, technicians, quality inspectors’ senior technical advisor, we are serving various industries at a pace of producing a number of new items each day.    

 With our own automatic hydraulic machines, automatic mechanical pressers, vacuum furnaces, high-precision EDM machines, Lathemelting copper furnaceCNC Maching equipments, grinders etc. 

Preponderant products: self-lubricating bearings, sintered gearother mechanical structure parts & the steel base copper alloy bushing, the steel casting copper collar, steel copper composite bushing, guide set of billet.

We have perfect inspection equipment: universal testing machine, tensile testing machine, hardness equipment, density equipment, metalloscope, optics image instrument, spectrographetc.

ISO9001:2000 quality management system certified by IQNet and CQC. 

All self-lubricating bearings offered by Wel fine have long conformed to international standards of chemical and physical properties, such ASTM, JIS, DIN, MPIF, SAE, GB…