Qingdao Wonderful Tire MFG. Qingdao Wonderful Tire MFG is a professional manufacturer of many kinds of rubber tyre, wheel, pneumatic rubber wheel, semi-pneumatic wheel, solid rubber wheel, caster wheel, PU wheel, wheel barrow, hand truck, tool cart and other rubber products in Qingdao, China. Over ten years of production experience, attaching importance to quality control, we have been in operating quality assurance systems and gained accreditation to ISO9001: 2000. Our products have been exported to many countries all over the world by good quality, competitive price and wonderful services. And we are also producing quality goods for many domestic suppliers.