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Engineering Bolts

M14-M22 l0.9 and 12.9-class compound torques; and all kinds of track bolts and heavy bolts with which excavating machineries and loading machines are equipped.

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Engineering Bolts

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Engineering Bolts


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Product Description

M14-M22 l0.9 and 12.9-class compound torques; and all kinds of track bolts and heavy bolts with which excavating machineries and loading machines are equipped.
Key Clients
1. U.S. Caterpillar Yashi Track (Tianjin) Co., Ltd.
2. Qingdao Modern Machinery Co., Ltd.
3. Doosan Infracore Co., Ltd.
4. Shantui Construction Machinery co., Ltd.
5. SANY Heavy Industry Co., Ltd.
6. Longgong (Jiangxi) Gear 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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