Qizhou Rubber Aims to Build Biggest OTR Tyre in the World

Already a producer of giant OTR tyres such as 45/65-45 L5, 37.25-35E3, 4000-57E4, 50/80-57, 52/80-57, 58/85-57, 70/70-57, Qingdao Qizhou Rubber is planning to make “the biggest tyre in the world – 59/90R63,” which is expected to be available by the end of 2007. And furthermore the company claims it is going to do this using ”environmentally friendly” polyurethane technology. Qingdao Qizhou’s announcement comes a year after the company signed a $400,000 licensing agreement with polyurethane tyre developer Amerityre Corporation.

Qingdao Qizhou Rubber Co., Ltd. is a privately owned manufacturer, located in Qingdao, China with a projected turnover of approximately US$100 million for 2007. Qizhou Rubber Co., Ltd. has about 860 employees and manufactures industrial, agricultural, truck, bus, and OTR tyres for export to over 30 countries under the Marcher brand name. Its products are used in the worlds’ various mining sites, both open pit and underground, at temperatures ranging from -66’C, to +50’C. Its sand tyres are known to have been used in desert land where the surface temperature has reached up to +80’C.

The Qizhou Rubber Co., Ltd. factory covers 93,000 sq.m., 60,000 sq.m. of which is construction area. The company manufactures agricultural, light truck, heavy truck and OTR tires for export to over 30 countries under the brand name Marcher. Its annual sales reached US$100M in 2007. development and valuable Partners. In addition to its own labs and institutes, Qingdao Qizhou reports that it is also closely linked with universities and colleges, such as Qingdao Technology and Science University, China Rubber Institute.

“We are cooperating with Amerityre Corporation to repair and retread used tyres, and build new tyres with refined polyurethane, which features in better wearing, heat, elasticity and skid performance than rubber. The lab test result show that the lifespan can be 3 to 10 times longer than rubber tyres, depending on the compound, and working condition, and scrapped tyres can be easily decomposed and recycled(this is most important),” a company representative told Tyres & Accessories, adding:

“Now, with LeTourneau Lnc’s investment, we are able to supply them with huge loader tyres -50/80-57, 52/80-57, 58/85-57, 70/70-57 – and are busy with 59/90-63 L4.

“All of our products have acquired quality certificates of Europ Technique Center TUV, Gulf Nations GCC and SASO, ISO9001, and we were among the first that acquired the national compulsory 3C quality certificate in early 2003.”

Qingdao Qizhou’s products are not sold in the domestic market and are instead exported to markets including: Russia, Canada, USA, EU, South Africa, and Australia.