ShenZhen ShengXianDa Technology Co.,Ltd: We are integrated producing and exporting wide range of chemical raw materials, such as carbon black, technical naphthalene, coal tar pitch, zinc oxide. Owing to selling our products to China mainland and abroad, our company has been deserved high credit from our customers because the products we exported are so qualified that can meet our customers\' satisfaction. Now our company is undergoing a great innovation towards a much higher international standard level. Carbon Black N220, N330, N550, ...