Feedback Proof of Boya Equipment

Our company is a professional company engaged in the research and development and sales of metal products, high - quality special steel materials, and new metal functional materials.

We also focus on metal surface treatment and thermal treatment, technical research and development, technical services, technical development and engineering. In 2021, our company built a high-strength steel plate and products production line. In order to improve the shape of the steel plate after thermal treatment, it is necessary to carry out leveling treatment after quenching and tempering heat treatment. Therefore, the unit installed a 17-roll leveler made by Boya Precision Industrial Equipments CO., LTD. Since the trial production of the equipment in 2021, the various indicators of the equipment meet the requirements of the technical accessories. The equipment is stable and reliable and the product quality after leveling fully meets the user's requirements. It contributes the product quality of our company at thin specifications and high -intensity steel plates to the leading level in China.

According to the production records, the leveling results of different specifications of steel plates are as follows:

N.O.	Thickness (mm)	Width (mm)	Steel Condition (after quenching and tempering)	Tensile Strength (MPa)	Unevenness Before Leveling (mm/㎡)	Unevenness After Leveling (mm/㎡)
1	2.2	1200	Yes	1700-1800	18-25	4-7
2	3	1000	Yes	1700-1800	15-20	4-7
3	4	1650	Yes	1700-1800	9-12	3-5
4	5	1650	Yes	1700-1800	7-12	2-4
5	6	1650	Yes	1700-1800	7-13	2-4

At the same time, during the trial production period, the high strength steel plate with a thickness of 6mm, a width of 1500mm and a tensile strength of 2100~2200 MPa was leveled and leveling effect was obvious, indicating that the equipment has the ability to straighten this strength steel plate. The equipment has been in normal operation for more than two years, and its normal operation not only has created good economic benefits for our company, but also has created greater social benefits.

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