Dear Sir, Good day to you! Thank you for your nice email! Our company’s full name is Zhangjiakou Kaiyi Chemicals co.,ltd. We are located in Zhangjiakou, china with superior geographical position and convenient transportation. Quality is the ever first. Our rules are to provide customers with most competitive price, and timely shipment and best after-sale services. ADD: NO.6 Weisan Road, High-tech District, Zhangjiakou City, China TEL: 86-313-5865155 WEBSITE: www.kaiyichem.com If you are in need ...