Zhengtong No.135, High technology part, Shanghai, Shanghai, China,
Longzhong Petrochem, establshed in the year of 1988, is specialized China\'s petrochemical industry and consultation services for more than 25 years.Our strong professional team provides you with consulting information. new, VIP services, weekly, ...
natural rubber, sythenic rubber (sbr, br), special-purposed sythenic rubber, rubber accessories,pe, pp, pvc, ps, eps, abs, eva, pa, pc, pet, pmma, pom,
