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Marine Engine Bolts

A variety of M14-M22, l0.9 and 12.9-class connecting rod bolts, cylinder head bolts and main bearing bolts are applied to large-size marine engines and petroleum machinery

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Marine Engine Bolts

Key words:

Marine Engine Bolts


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Product Description

A variety of M14-M22, l0.9 and 12.9-class connecting rod bolts, cylinder head bolts and main bearing bolts are applied to large-size marine engines and petroleum machinery
Key Clients:
1.Weichai Power
2.Zibo Diesel Engine Parent Company
3.Guangzhou Diesel Engine Factory Co., Ltd.
4.Ningbo C.S.I. Power & Machinery Group Co., Ltd.
5.NC Oilfield Rongsheng Petroleum Machinery Co., Ltd.
6.Bohai Drilling Tools Co., Ltd.
7.Zibo Suoyin Motor Co., Ltd.

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Zibo Qiangqiang Group is a group company restructured and established by Zibo High Strength Bolt Factory which conforms to the modern enterprise system. , more than 120 engineers and technicians, is a professional manufacturer of high-strength bolts and nuts in the country, with an annual output of 80 million sets of various high-strength bolts, with an annual output value of 500 million. The production capacity of "Li Shi" brand high-strength bolts was rated as Shandong famous brand, national inspection-free, national top ten assured brands. The company has been successively rated as a high-tech enterprise in Shandong Province, a civilized unit in Shandong Province, a provincial-level beautiful factory, a garden-style unit, and a designated factory for the machinery industry in Shandong Province.


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Zibo Qiangqiang Group is a group company restructured and established by Zibo High Strength Bolt Factory which conforms to the modern enterprise system. , more than 120 engineers and technicians, is a professional manufacturer of high-strength bolts and nuts in the country, with an annual output of 80 million sets of various high-strength bolts, with an annual output value of 500 million. The production capacity of "Li Shi" brand high-strength bolts was rated as Shandong famous brand, national inspection-free, national top ten assured brands. The company has been successively rated as a high-tech enterprise in Shandong Province, a civilized unit in Shandong Province, a provincial-level beautiful factory, a garden-style unit, and a designated factory for the machinery industry in Shandong Province.


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Zibo Qiangqiang Group is a group company restructured and established by Zibo High Strength Bolt Factory which conforms to the modern enterprise system. , more than 120 engineers and technicians, is a professional manufacturer of high-strength bolts and nuts in the country, with an annual output of 80 million sets of various high-strength bolts, with an annual output value of 500 million. The production capacity of "Li Shi" brand high-strength bolts was rated as Shandong famous brand, national inspection-free, national top ten assured brands. The company has been successively rated as a high-tech enterprise in Shandong Province, a civilized unit in Shandong Province, a provincial-level beautiful factory, a garden-style unit, and a designated factory for the machinery industry in Shandong Province.


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