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About product and suppliers:
        Alibaba.com offers 243 250kg central motor products. About 1% of these are automatic door operators. 

A wide variety of 250kg central motor options are available to you, such as paid samples. 

There are 163 250kg central motor suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of 250kg central motor respectively. 

50kg central motor products are most popular in South America, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 138 with ISO9001, 11 with ISO13485, and 1 with Other certification.