What are the working pressure options?

Working pressure ranges from 11 MPa to 105 MPa depending on the grade and specifications.

Manufacturer Direct Sales Rotary Drilling Hose

Name: Manufacturer Direct Sales Rotary Drilling Hose
Brand: Qingdao Grantseed Rubber Co., Ltd.
SKU: 2087315992

Shandong, ChinaQingdao Grantseed Rubber Co., Ltd.

US$1.12

100-499 Meters

US$0.98

500-999 Meters

US$0.95

1,000+ Meters

Sample price:US$0.00/meter.Request sample

Product profile

Customization

Available

Material

Nitrile Rubber

Capability

Rubber Hose for Sand and Grit Blasting

Model NO.

Rotary Drilling Hose

Color

Black

Product Name

Industrial Hose

Keywords

Rubber Hose

Tube

Inner Rubber Protection Layer

Reinforcement

Middle Rubber Layer, Steel Wire Spiral Layer

Cover

External Rubber Cover

Application

Oil Fields, Well Cementing, Well Repairing

Temperature Range

-40celsius - 100celsius

Inside Diameter

38-152mm

Outside

21-200mm

Working Pressure

11 MPa - 105MPa

Burst Pressure

22 MPa - 157MPa

Nominal Weight

2-50 Kg/M

Length

60-20 M

Ome & ODM Custom

Transport Package

Nylon Belt, PVC Transparent, Plastic Reel

Specification

20-60m

Trademark

GRANDFLEX

Origin

Qingdao, China

HS Code

40092100

Production Capacity

9000000m/Year

Key features

Wide Pressure Range: Working pressure from 11 MPa to 105 MPa with burst pressure up to 157 MPa.

Custom Dimensions: Inside diameter 38-152mm and outside diameter 21-200mm available.

OEM & ODM Accepted: Custom product names, keywords, and specifications are accepted.

Multi-Layer Reinforcement: Features inner rubber protection, middle rubber layer, and steel wire spiral reinforcement.

Certified Quality: ISO9001:2015, ISO14001:2015, and HOSAS18001:2007 certified.

Versatile Applications: Suitable for oil fields, well cementing, sand pumping, and hydraulic systems.

Strict Quality Control: Spot-checks performed at every production step from raw material to packing.

Company profile

Importers and ExportersQA/QC InspectorsRaw Materials ReportsR&D Capabilities

Qingdao Grantseed Rubber Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2024-12-25Nearest Port: Qindao, Tianjin, ShanghaiAverage Response Time: ≤10.26hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a broad product scope covering rubber, plastic, hydraulic, chemical, sealing, metal, machinery, electronic, and hardware products. It reports export activity to more than 68 countries and an export-sales share of 51%–70%, with self-operated import/export rights and two years of export experience. However, it lacks stated overseas warehouses, showrooms, agents or branches, and has no reported offline trade-show participation. R&D indicators are weak: no new products in the past year, no ODM, OEM for popular brands, or SDK availability. Production-related information is mixed because the supplier is classified as a trading company, while its description cites equipment, production lines, and 100% pre-shipment inspection. Quality and service governance are under-documented, with no written records for inspection, corrective actions, complaint handling, or quality assurance, and no ERP, OA, CRM, or SAP integration. Financial credibility cannot be assessed...

Supplier typeThe supplier is explicitly classified as a trading company. Its stated business scope covers a broad range of industrial and general products, including rubber, plastic, hydraulic components, chemicals, seals, metal products, machinery, electronics, and hardware.

After-Sales capabilityThe supplier has no in-stock service capacity, overseas warehouse, overseas showroom, overseas agent or branch, or reported overseas service countries. It also has no written procedures or records for corrective and preventive actions or customer complaint handling, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, no OEM for popular brands, and no available SDK. It also reports no ERP integration and zero use of OA, CRM, and SAP systems, providing no evidence of strong digitalized innovation management.

Customization capabilityThe supplier explicitly offers customization from designs, supporting design-based customization. However, it does not provide ODM services, so the evidence supports customization execution but not broader product-development capability.

Client casesThe supplier states that its market covers more than 68 countries and that exports account for 51%–70% of total sales, with two years of export experience and self-operated import/export rights. These are market-reach indicators, but no named customer cases or verifiable project references are provided.

Product Q&A

Q:What hose do you provide?

Main rubber hose products: high-pressure steel wire braided hose, high-pressure steel wire spiral rubber hose, steel wire winding hose, flame retardant, resistance to high temperature and high-pressure drilling hose, etc.

Q:What are the product applications?

Mining, hydraulic support, hydraulic system, emulsification pump, construction machinery, coal mine underground water delivery, feng shui working face, water delivery, oil transportation, sand pumping, mud discharge, suction dust, exhaust gas, ash, engine gas pumping, Gas drainage/warm air duct.

Q:What are your advantages?

High quality, complete specifications, stock in stock. company has passed ISO9001:2015 international quality management system certification and ISO14001:2015 environment management system certification. HOSAS18001:2007 certification of safety management system certification, mining products safety sign, etc.

Q:How do you guarantee your quality?

Firstly, we do quality tests during every process. We produce most components by ourselves, it starts from cutting raw material and machining roughly in the first step. casting , forging , punching , heat treatment , finish machining , painting , assembling , and finally packing , we will spot-check for each step. Secondly, we will collect all comments on our products from customers in time. And try our best to improve quality all the time.

Q:What is the temperature range for the hose?

The temperature range is -40 Celsius to 100 Celsius.