Ụgwọ nke ụlọ ọrụ Langfang Pannext Pipe Fitting Co., Ltd. Adreesị 236 West Guangming Road Langfang, Hebei, China E-mail amywang@pannext-casting.com xqin@pannext-casting.com msun@pannext-casting.com Ekwentị 0316-2652671