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Longtan Industrial Developing Area,Yanshan,Cangzhou,Hebei,China China
We are a manufacturing factory with the following certificate:API 5L /CE /BV /CCS.So the products are good qua
We are a manufacturing factory with the following certificate:API 5L /CE /BV .So the products are good quality
we can offer you the products with good quality and competitive price have the following certificate:API 5L IS
Personne àcontacter Yang Andy
Nom de la société Longtan Industrial Developing Area,Yanshan, Cangzhou, Hebei
We will contact you soon .
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