main product

API 7K——Rotary Drilling And Vibrator Hose

application:flexible connection between the upper end of the standpipe and the top drive/swivel and between the pump and the lower end of the standpipe for pumping mud at high

Tube:NR&SBRsythentic rubber/HNBR/UPE

Reinforcement:2-6 layers of high tensile super flexible spiral steel wire or steel cable

Cover:abrasion and weather resistant synthetic rubber

Temperature Range:-20℃~+82℃(-4℉~+179.6℉) -55℃~+150℃(-67℉~+302℉)

Standard:API Spec. 7K FSL 1 FSL 2 | ABS

visit now contact us

Main Product Display

Letone Technology always adheres to the core values of "honesty, customer first", mainly produces hydraulic hoses, material conveying hoses, oil drilling hoses, chemical conveying hoses, ultra-high pressure water jet cleaning hoses, fluid connection hoses Technology research and development and manufacturing of components, etc., to contribute to global intelligent manufacturing

LT SA5993-Super Artery EXCEEDS ISO18752 DC

Product application:suitable for large-scale long-range machinery such as excavat...

LT SA6991-Super Artery EXCEEDS ISO18752-BC/CC

Scope of application:suitable for large construction machinery such as excavators...

LT SA6992-Super Artery EXCEEDS ISO18752-AC/BC/CC

Product application:suitable for large construction machinery such as excavators ...

LT407T-247PSI PTFE chemical delivery composite hose

Application:suitable for conveying strong acids, strong bases and other corrosive...

LT409-Stainless steel narrow corrugated metal hose

Application:suitable for conveying highly corrosive chemicals, widely used in ext...

LT1311-Special wear-resistant hose for super wear-resistant steelmaking

Application:Large-diameter hose for steel slag transportation in steel plant, ult...

LT301-API 7K——Super Abrasion Resistant Acid & Hydraulic Fracturing

Application:flexible line using for delivery water-based, oil-based, acid-based a...

LT301-API 7K——High Pressure Cementing Hose

Application:flexible connection in the cementing manifold for delivery water-base...

LT302-API 16C——Flexible Choke And Kill Hose

Application:flexible connection in the chock and kill manifolds for delivery oil-...

LT799 4SHH-Ultra high pressure cleaning hose W.P:20300PSI

Scope of application:water jet industry is especially suitable for water guns...

LT799 4SH-Ultra high pressure resin hose W.P:31900PSI

Scope of application:water jet industry, especially suitable for water guns...

LT799 4S-Ultra high pressure resin hose W.P:20300PSI

Application range:water jet application, especially suitable for jet gun...


Letone hydraulic 20 years focus on rubber hose and fluid fittings


Production equipment


Exporting countries

The cooperative enterprise


Main company news

Letone Mission: Let Litong help global intelligent manufacturing; Vision: Become the leader of the global fluid technology industry. Values: Integrity-based; Necessary ability to succeed: Users first.


EPDM high temperature steam hose

  • 2024-04-16 17:48:37
  • EPDM high temperature steam hose

In modern industrial production, high-temperature steam hoses play a vital role. Especially in scenes that need to withstand extremely high temperature environments, a steam hose with excellent performance is not only related to production efficiency, bu


API16D blowout preventer hose | the last safety door for oil drilling

  • 2024-04-16 16:23:18
  • API16D blowout preventer hose

API16D blowout preventer hose is an important piece of equipment in the oil and gas industry. It is mainly used to prevent wellhead splash and ensure the safety of drilling operations. The design and production of blowout preventer hoses must comply with


Large-diameter dredging hose

  • 2024-03-29 17:20:16
  • Large-diameter dredging hose

Large-diameter dredging hose plays a pivotal role in modern engineering construction. As a high-performance conveying equipment, it is widely used in dredging projects in rivers, ports, reservoirs and other waters, as well as in material conveying system


Application and future development of PTFE high-pressure hose

  • 2023-11-13 17:21:57
  • Application and future development of PTFE high-pressure hose

With the continuous advancement of science and technology, PTFE high-pressure hose, as an important pipeline material, has been widely used in various fields.