I think so, too. I remember seeing an interview with their chairman on CCTV news broadcast. Their factory is very big.

The brand "Mine Source" was awarded as a well-known trademark in China in 2009 when the financial crisis spread. Many of their products are exported abroad. I don't know if it's a leader, but it's one of the top ten well-known crane brands in China, and it is. Www.hnks.com is their website. You can have a look.