(Yicai Global) June 21 -- US carburetor maker Walbro has called on authorities to open a probe into six Chinese fuel system makers accusing them of violating intellectual property rights in their products.

Walbro has filed a complaint with the US International Trade Commission, calling for a 337 unfair practices investigation, the Arizona-based firm said in a statement.

The company called for general exclusion and restraining orders against the Chinese enterprises, namely, Ruixing Carburetor Manufacturing, Huayi Carburetor Factory, Hualong Carburetor, Guangda General Machinery, Henghai Tools, and Youyi Trade.

Editor: William Clegg