Businesses and enterprises are the principal make-up of modern socio-economic developments; therefore the individual development of each firm has become the prerequisite for overall social progression. Economic globalization has given the chance to international corporations to develop overseas, our ZhongDa as well. We would like to confirm that all our products are manufactured under the managements system of ISO9001/2000 & ISO 14001 strictly.We do provide excellent parts and products with credible quality and cares on our green earth.At the same time, we are trying supports to poor regions and groups all over the world through some charity activities.