Dear Friend, All group members of Hengwang thank you very much for your support and trust in 2021. Hope we have long term and good cooperation in 2022. Merry christmas and coming new year bring happiness and health to you and your family. S ...
Dear This Thanksgiving, I’m thankful to have you as a client. Working with you has been a true pleasure, and I can only hope our relationship continues for many years. May you have a wonderful Thanksgiving surrounded by family and friends. ...
When the pile driver suddenly tilted and misplaced during the construction of the pile driver, and at the same time the pile hammer jumped up and the pile body rebounded, the construction had to be stopped. There are several reasons for the ...
1. Introduction of water well drilling rig crawler The crawler of the water well drilling rig is composed of a crawler shoe and a crawler pin. The track pins connect the track shoes to form a track chain link. There are holes at both ends o ...
How to improve the production efficiency of hydraulic water drilling rigs? The following small series illustrate the use of preventive measures. 1. After the drill bit of the hydraulic well drilling rig is drilled into the structure, the ce ...
1. Damaged drill pipe: 1. In most cases, the fracture of the drill pipe belongs to the friction between the drill pipe and the hole wall, so that the wall thickness of the drill pipe is reduced, and the strength is too weak to cause the dri ...
Drilling is the use of mechanical equipment to drill holes in the formation. According to the rock breaking method and the type of drilling tool, it can be divided into drilling technology and rotary drilling technology. In geological explo ...
In August 2020, the photovoltaic industry once again attracted the attention of investors in the absence of relevant policies to stimulate the whole industry chain of the secondary market photovoltaic industry has ushered in a substantial i ...
Recently, in order to attract investment in the field of renewable energy, the Malaysian government launched the fourth round of tenders for national large-scale solar projects. This round of bidding projects has reached 1GW, which is the h ...
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