... -scale enterprise of producing tractors in China and one of the key corporation in Shandong province. Covering 420,000ã?¡ area, SWT has ... starter, electromagnet clutch, low temperature starter, etc.) To speed up the company development, SWT is planning to establish a all-round ... all-around group company on top position among the same industrial at the end of the eleventh five-year plan period in China.