Hex Rivet-manufacture,factory,supplier from China

Shandong Ruiyu Company Solidly Carries Out the Activities of Rule of Law Awareness MonthFrom April 1 to 22, Ruiyu Company organized and carried out rule of law publicity and education activities with the theme of “enhancing the concept of rule of law and promoting the rule of law”.Firstly, by posting cartoon version of the Constitution publicity wall charts on the bulletin boards, the company publicized the concept of supremacy of the Constitution and rule of law according to the Constitution in an easy-to-understand way, publicized the basic rights and obligations of citizens, safeguarded the

 Ultra-Deep Coal Mining Vertical Shaft To Crack The Support Problem  A few days ago, a group company improved the design of cyclic step of over-head support, which solved the problems of roof crushing caused by repeated support.

Preventing Heat Stroke and Keeping Production in Ruiyu CompanySince entering August, the persistent sultry hot weather has brought a lot of unfavorable conditions to the production.

On the morning of November 10th, Ruiyu Company carried out the activity of "One Day Donation" with the theme of "Hand in Hand with Charity, Create Harmony", the leading members of the company took the lead in making donations, and all the employees actively participated in the activity. One Day Donation" activity.In order to do a good job of donation, the company set up a special charity donation working group, special deployment, unification of ideas, awareness-raising, clear objectives, to ensure that the charitable donations in an orderly manner.

Shandong Ruiyu Carries Out Winter Fire DrillIn order to further strengthen the fire safety management and improve the fire safety awareness of the workers, Ruiyu Company organized 12 representatives from each department and workshop on November 18, 2024 to conduct a fire accident emergency treatment drill in the open space on the south side of A workshop.

Ruiyu Company's Mass Line Education and Practice Activity of the Party Successfully Carried OutIn order to solidly promote the in-depth development of the Party's mass line education and practice activities, according to the deployment arrangement of Ruiyu Support [2024] No.15 "The Company's Party Committee Deeply Carries Out the Work Implementation Plan of the Party's Mass Line Education and Practice Activity", combining with the actual situation, Ruiyu Company researches and discusses and formulates Ruiyu Company's activity study plan and study system, and compl

Principle analysis of the collapse reduction effect of left-handed anchorsIf the unstable rock layer of the vault is regarded as the combined beam (plate) supported by the side wall, because the anchor hanging on the stable surrounding rock can be regarded as the fulcrum, the installation of left-handed anchor without longitudinal ribs is equivalent to adding the fulcrum, reducing the support span, and then reducing the bending stress and deflection of the support to maintain the stability of the support and the rock, so that the rock is not easy to deform and damage.

Difference between left-handed anchor and right-handed anchorCharacteristics of left-hand anchor:Left-hand threaded steel anchor without longitudinal rib resin anchor anchor high strength, reasonable structure, preload, can automatically adjust the direction of force, increase the binding force on the surrounding rock, can realize the mechanization of rapid installation of the left-hand anchor Advantages of left-hand anchors:High strength of the anchor, reasonable structure, preload, can automatically adjust the direction of force, increase the binding force on the surrounding rock, can realiz

The company is about to participate in the International Mining Exhibition in Novokuznetsk, Russia, June 4-7, 2024

Ruiyu Company Organizes Emergency Rescue Knowledge Training In order to protect the safety of employees and pay attention to their health conditions in real time, Ruiyu Company has equipped workshops with special first-aid medicine boxes, blood pressure monitors, patchouli, quick-acting heart pills and other medical and healthcare supplies, and has established a relevant medical apparatus management system and processing procedures to facilitate the temporary rescue of employees in the event of a health emergency.