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shihui,yingkou,liaoning,China China
联系人 Ms. elaine ren
办公地址 shihui, yingkou, liaoning
We are Yingkou Dingjide Petrochemical co, Ltd. We supply high activity propylene catalyst with good quality a
We are majoring produce pp catalyst which is the 4th genratio of Ziegler-Natta, now we sincerely invite you to
We will contact you soon .
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