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07/06

2021

Lock:Lock before the installation, should retain a key, in case the workers had lost the key.After the lock is installed, check: strong?If there is damage?Damage to the paint?Close the door easily?...

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07/06

2021

Hardware accessories to spring you have to underst

There are a lot of people on the floor spring, door closers, hardware accessories don't understand, because it is broken how to repair it let people have a headache.We said floor spring is belong t...

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07/06

2021

Latin American imports of Chinese steel year-on-ye

Latin American iron and steel association published the latest statistics show that in the first quarter of this year in Latin American countries steel imports reached 6.1 million tons, 5.1 million...

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07/06

2021

Hardware changes in market conditions

A, hardware of green environmental protection has become the main melody In the face of global warming, the deterioration of ecological environment problems, low carbon, environmental protec...

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07/06

2021

Introduction to the status of the door control har

Due to the rapid development of production technology and the impact of Labour is expensive, medium and low-grade products developed countries have accelerated transfer to the third world, his only...