Rotary drilling rigs can be divided into three categories: large, medium, and small. Currently, there are many rotary drilling rig manufacturers in China, with varying quality.#drill hole diameter#

In reality, branded PCs and assembled PCs are not comparable and are not in the same league. Let's talk about assembled PCs, also known as customized PCs or, colloquially, counterfeit or Shandong-made PCs. These machines, like assembled computers, can range in price from a little over a thousand yuan to tens of thousands of yuan. However, there are many pitfalls involved. Here are a few very important points to note:
1. Assembled and counterfeit PCs are usually very cheap, but often perform poorly. Assemblers will tell you they can assemble them at any price, from 100,000 to over a million yuan – it's all about budget. Assembled PCs frequently suffer from incompatible parts and poor assembly, resulting in very poor machine performance.#drill hole diameter#
2. Assembled rotary drilling rigs often have non-interchangeable parts, leading to significant repair problems. To reduce costs, assembly plants often lack proper assembly procedures and universal parts guidance, resulting in non-interchangeable parts and making future repairs very difficult.
3. Counterfeit core components can fool even experts. Some unscrupulous manufacturers defraud consumers for exorbitant profits, even using counterfeit brand core components in their assembly.
4. Manufacturers are unwilling to offer installment payments. Small rotary drilling rig assembly manufacturers generally dare not offer installment payments, only full payment transactions, as they fear customers will default on payments due to poor quality.
5. Assembled machines have a very high depreciation rate. Rotary drilling rigs assembled by small factories generally depreciate by 50% or more immediately upon purchase, with an 80% scrap rate after three years of use. (Data source: Editor's survey of 1000 Shandong-made and assembled machines in the market in 2017)#drill hole diameter#
6. Excessive repairs or use of inferior parts, fraud and deception. Assembled machines basically have no after-sales service. When a rotary drilling rig malfunctions, some unscrupulous after-sales service or repair shops will exaggerate the severity of the malfunction to make money, misleading the owner to replace the entire assembly or replace parts unrelated to the malfunction.
We believe you, being a smart person, already know how to choose. Since you've entered this industry, you should cooperate with reputable brand manufacturers to avoid being penny-wise and pound-foolish. Without guidance from industry experts, the editor strongly recommends that business owners choose rotary drilling rigs from large, reputable companies – you can't go wrong.#drill hole diameter#





