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About Us
Certificates
Puyang Zhongshi Group Co., Ltd, restructured from Zhongyuan Oilfield of SINOPEC in 1997, has more than 20 years manufacturing experience of petroleum machinery products.
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![ISO9001:2015 Certificate]( "ISO9001:2015 Certificate")
ISO9001:2015 Certificate
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![ISO14001:2015 Certificate]( "ISO14001:2015 Certificate")
ISO14001:2015 Certificate
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![ISO45001:2018 Certificate]( "ISO45001:2018 Certificate")
ISO45001:2018 Certificate
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![Production License of Special Equipment People's Republic of China]( "Production License of Special Equipment People's Republic of China")
Production License of Special Equipment People's Republic of China
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![Registration form for foreign trade operators]( "Registration form for foreign trade operators")
Registration form for foreign trade operators
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![Certificate 5CT-1415_20240205140936]( "Certificate 5CT-1415_20240205140936")
Certificate 5CT-1415_20240205140936
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![Certificate 6A-2284_20240205141023]( "Certificate 6A-2284_20240205141023")
Certificate 6A-2284_20240205141023
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![Certificate 8C-0356_20240206091210]( "Certificate 8C-0356_20240206091210")
Certificate 8C-0356_20240206091210
PHONE :
+86 393 4805 739
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Zhongyuan Oilfield, Puyang City, Henan Province, China
Puyang Zhongshi Group Co., Ltd. we have competitive prices of our main products of casing tools like casing centralizer, floating equipment, cementing plug, cementing
