Test items (partial)
viscosity, demulsibility, hydrolysis stability, rust resistance, corrosion resistance, oxidation resistance, sealing, demulsibility, lubrication, shear stability, foam resistance, etc
Inspection Standards (Part)
T/ZZB 2539-2021 Manual Vertical Hydraulic Jack
T/ZZB 2153-2021 Screw Jack
DB37/T 2688.2-2015 Remanufacturing Coal Mine Machinery Technical Requirements Part 2: Hydraulic Support Column Jacks
DB37/T 1932-2011 Technical Requirements for Laser Cladding Remanufacturing of Hydraulic Support Columns and Jacks for Coal Mines
JB/T 2592-2017 Screw Jacks JB/T 5315-2017 Horizontal Hydraulic Jacks
JB/T 11753-2013 Pneumatic Hydraulic Jacks
JJG 621-2012 Hydraulic Jack Verification Regulations
QC/T 585-2011 Technical Conditions for Mechanical Jacks for Passenger Cars
MT/T 1164-2011 Hydraulic Jacks
Seals for hydraulic support columns and jacks - Part 1: ClassificationMT/T 1165-2011 Hydraulic support columns and jack seals - Part 2: Groove types, dimensions, and tolerances
MT/T 985-2006 Technical conditions for polyurethane sealing rings for coal mine column jacks
MT/T 576-1996 Hydraulic support columns, jack pistons, and piston rods - Sealing groove types with support rings Dimensions and Tolerances
JB/T 11101-2011 Rack Jack
MT 97-1992 Hydraulic Support Jack Technical Conditions
JB/T 5315-2008 Garage Hydraulic Jack
HB 7791-2005 Aircraft Jack Types Basic Parameters and Technical Requirements
SN 0029-1992 Inspection Regulations for Export Hydraulic Jacks
JG/T 5028-93 Hydraulic Jacks for Prestressing
JJG 621-2005 Hydraulic Jacks
Inspection Scope (Partial)
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China