Wholesale Price Hw Casing - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS

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We keep on with the theory of "quality first, provider initially, constant improvement and innovation to meet the customers" with the management and "zero defect, zero complaints" as the standard objective. To great our company, we deliver the merchandise using the fantastic excellent at the reasonable price for China Sound Housing Manufacturer, China Mine Rig Factory, Mine Drilling Rig, we could solve our customer problems asap and do the profit for our customer. If you need good service and quality , pls choose us , thanks !

Wholesale Price Hw Casing - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS Detail:

SIZE	INNER DIAMETER (mm)	OUTER DIAMETER (mm)
ATW / AGM	36.8	44.5
BTW / BGM	48.8	56.5

Raw materials:

Tangshan Jinshi only choose the best steel tubes in the market to manufacture our rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.

Heat treatment control:

Heat treatment will greatly improve the material strength and increase the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.

Thread opening process:

Accuracy of threads will determine the use effects and life time of drill rod and casings.

CNC latches and form cutter are used in thread opening processing to minimize error made by anthropic factors.

Additional thread treatment:

Surface of the threads will be cleaned to remove burr adhered after threads are opened.

Afterwards, the tread surface will be phosphated to improve surface conditions.

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Our advantages are lower prices,dynamic sales team,specialized QC,strong factories,high quality products and services for Wholesale Price Hw Casing - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS , The product will supply to all over the world, such as: Rome, Netherlands, Italy, Our company has already have pass the ISO standard and we're fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will likely be the only one can have that merchandise. We hoping that with our good products can bring our customers a great fortune.

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The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!