OUR FOCUS IS CUSTOMER SERVICE, CONTACT US! WELCOME TO VISIT US AT CHINAPLAS 2016, OUR BOOTH NO.: C12B07 ! We SHANDONG RAYOP CHEMICAL CO.,LTD, which is founded in 2006, is an integrated enterprise with the research & development, production and sales of OPTICAL BRIGHTENER AGENT, which are widely used in plastic, coating, detergent, textile and paper-marking industry.