Home
Supplier Discovery
Instruments & Meters
Test Machine
Point Tester Factories & Companies
Filter
Category
Consumer Electronics
Electrical & Electronics
Health & Medicine
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
More
Management Certification
ISO9001:2008
Others
ISO9001:2015
ISO14001:2015
ISO45001:2016
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Guangdong
More
about point tester
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
point tester
1,000+ factories verified
Hunan Addition Instruments and Apparatus Co., Ltd.
Send Inquiry
ASTM D1177 Engine Coolant Freezing Point Tester Oil Tester
US$
3,900.00
-
4,800.00
1 Set
(MOQ)
ISO 4925 Brake Fluid Equilibrium Reflux Boiling Point Tester Erbp Device Oil Tester
US$
435.00
-
458.00
1 Set
(MOQ)
ASTM D93 Automatic Pensky-Martens Closed Cup Flash Point Tester
US$
4,000.00
-
5,900.00
1 Set
(MOQ)
ASTM D36 Automatic Softening Point of Bitumen Tester Ring and Ball Device
US$
5,800.00
-
6,500.00
1 Set
(MOQ)
1/4
Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd.
2 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
China Manufacturer Oil Test Equipment Automatic Pensky-Martens Flash Point Tester
US$
1,750.00
-
1,950.00
1 Piece
(MOQ)
China ASTM D97 Cloud Pour Point Tester Suppliers
US$
1,650.00
-
1,850.00
1 Piece
(MOQ)
Lab Equipment ASTM D93 Portable Oil Flash Point Tester
US$
1,750.00
-
1,950.00
1 Piece
(MOQ)
Portable Dew Point and Purity Comprehensive Sf6 Gas Analyzer Tester
US$
8,771.00
-
8,971.00
1 Piece
(MOQ)
1/4
Refine On (Hebei) Electric Power Technology Co., Ltd.
7 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Reliable Intuitive Digital Automatic Open-Cup Flash Point Tester for Test Instrument Asphalt Flash Point and Transformer Oil Testing Laboratory Equipment
US$
1,689.00
-
2,001.00
1 Piece
(MOQ)
Automatic Open Cup Flash Point Tester Oil Test Set-Complete Oil Quality Analysis Kit Laboratory Equipment Supplier Provide Other Hipot Tester
US$
1,689.00
-
2,001.00
1 Piece
(MOQ)
Fuel & Lubricant Automatic Open-Cup Flash Point Tester
US$
1,689.00
-
2,001.00
1 Piece
(MOQ)
Automatic Closed Cup Flash Point Tester -Industrial-Grade Petroleum Analyzer Laboratory Equipment Supplier Provide Other Hipot Tester
US$
1,689.00
-
2,001.00
1 Piece
(MOQ)
1/4
Shanghai Changji Geological Instrument Co., Ltd.
29 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
ASTM D92 SYD-3536D Automatic Cleveland Open Cup Flash Point Tester for Oil Testing
US$
5,499.00
-
6,111.00
1 Set
(MOQ)
SYD-3536-1 Cleveland Open Cup Flash Point Tester for Oil testing
US$
1,055.96
-
1,242.30
1 Set
(MOQ)
ASTM D1177 ASTM D2386 SYD-2430A Automatic Freezing Point Tester for petroleum products
US$
5,727.30
-
6,000.00
1 Set
(MOQ)
SYD-261D Automatic Pensky-Martens Closed-Cup Flash Point Tester for Oil Testing
US$
3,923.00
-
4,215.00
1 Set
(MOQ)
1/4
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
18 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fully-Automatic Pensky-Martens Closed-Cup Flash Point Tester-Pmcc-Petroleum Testing Instrument
US$
1.00
-
3,800.00
1 Piece
(MOQ)
Open Cup Flash Point Tester-Flash Point Tester-Oil Testing Instrument
US$
1.00
-
450.00
1 Piece
(MOQ)
Automatic Pmcc Flash Point Tester-Flash Point Tester-Oil Testing Instrument
US$
1.00
-
3,600.00
1 Piece
(MOQ)
Automatic Closed Flash Point Tester-Flash Point Tester-Oil Testing Instrument
US$
1.00
-
2,800.00
1 Piece
(MOQ)
1/4
Changsha Suny Electronic Technology Limited
15 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Lab Automatic Open Cup Flash Point Tester for Petroleum Oil Analysis ASTM D92 Standard
US$
1.00
-
2.00
1 Piece
(MOQ)
Multifunctional Low Temperature Tester for Petroleum Products Make Determinations of Pour Point
US$
5,000.00
-
8,000.00
1 Piece
(MOQ)
Petroleum Products Solidifying Point Tester ASTM D3944
US$
2,000.00
-
5,000.00
1 Piece
(MOQ)
Fully Automatic Open Flash Point Tester
US$
2,000.00
-
5,000.00
1 Piece
(MOQ)
1/4
Wuhan Hertz Power Equipment Co., Ltd
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
ASTM D92 Standard Transformer Oil Cleveland Open Cup Flash Point Tester
US$
2,972.00
-
3,999.00
1 Piece
(MOQ)
Transformer Dielectric Oil Electric Ignition Petroleum Automatic Cleveland Open Cup Flash Point Tester
US$
2,972.00
-
3,428.58
1 Piece
(MOQ)
ASTM D92 Lab Test Equipment Transformer Insulated Petroleum Oil Flash Point Tester
US$
2,972.00
-
3,428.58
1 Piece
(MOQ)
Sf6 Gas Analyzer Micro-Water Gas Dew Point Meter Tester with Factory Price
US$
4,828.00
-
5,572.00
1 Piece
(MOQ)
1/4
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
18 yrs
·
4.7
·
Manufacturer/Factory
Send Inquiry
Huazheng ASTM D93 Automatic Oil Flashpoint Apparatus Pensky Martens Closed Cup Pmcc Flash Point Tester Price
US$
1,800.00
-
2,177.00
1 Piece
(MOQ)
2026 Petroleum Electric Automatic Closed Cup Type Flash Point Tester
US$
1,800.00
-
2,177.00
1 Piece
(MOQ)
Transformer Polarity Ratio Analyzer CT PT Characteristic Knee Point Tester
US$
4,500.00
-
6,129.00
1 Piece
(MOQ)
ASTM D1120 Brake Fluid / Engine Coolants Erbp Equilibrium Reflux Boiling Point Tester
US$
500.00
-
581.00
1 Piece
(MOQ)
1/4
Weshine Electric Manufacturing Co., Ltd.
13 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Digital Automatic Four-point Method Wenner Method Grounding Soil Resistivity and Earth Resistance Tester
US$
350.00
-
440.00
1 Piece
(MOQ)
Petroleum Product Lubricating Oil Lube Pour Point Solidifying Point Tester
US$
1,400.00
-
2,300.00
1 Piece
(MOQ)
Petroleum Oil Flash Point Tester Flash Point Test Instrument Closed Cup Flash Point Tester
US$
1,580.00
-
4,880.00
1 Piece
(MOQ)
Automatic Oil Flash Point Tester for ASTM D93 Closed Flash Point Test
US$
1,990.00
-
2,980.00
1 Piece
(MOQ)
1/4
Guangdong Hongtuo Instrument Technology Co., Ltd.
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
DH-300A Automatic Vicat Apparatus HDT Thermal Deformation Vicat Softening Point Temperature Tester
US$
1,599.00
-
2,149.00
1 Piece
(MOQ)
Heat Deflection Temperature Tester Vicat Apparatus, Vicat Softening Point Test Equipment DH-300B
US$
1,599.00
-
3,299.00
1 Piece
(MOQ)
DH-300A Single Phase HDT ,VICAT Heat Deflection Tester, Softening Point Device
US$
1,599.00
-
2,149.00
1 Piece
(MOQ)
DH-300A HDT Vicat Softening Point Temperature Tester Price, Vicat Heat Softening Point Deflection Test Apparatus
US$
1,599.00
-
2,149.00
1 Piece
(MOQ)
1/4
Chongqing Blossom Machinery Equipment Co., Ltd.
8 yrs
·
5.0
·
Trading Company
Send Inquiry
Pensky-Martens ASTM D93 Closed Cup Flash Point Tester for Diesel Fuel
US$
1,500.00
-
2,300.00
1 Set
(MOQ)
ASTM D92 Automatic Engine Oil Open Cup Flash Point Tester
US$
1,500.00
-
2,300.00
1 Set
(MOQ)
ASTM D97 Pour Point Tester ASTM D2500 Cloud Point Tester
US$
1,000.00
-
1,500.00
1 Set
(MOQ)
Laboratory Fully Automatic ASTM D1177 Aqueous Engine Coolants Freezing Point Tester
US$
2,500.00
-
4,500.00
1 Set
(MOQ)
1/4
Baoding Lucyelec Test Equipment Co., Ltd.
5.0
·
Trading Company
Send Inquiry
Dual Ignition ASTM D92 Automatic Cleveland Open Cup Flash Point Tester
US$
1,800.00
-
3,000.00
1 Piece
(MOQ)
Automatic Pensky Martens (PMMC) Closed Cup Flash Point Tester
US$
1,300.00
-
1,800.00
1 Piece
(MOQ)
Petroleum Lab Testing Equipment ASTM D92 Open Cup Lubricating Base Oil Flash Point Tester
US$
1,300.00
-
1,800.00
1 Piece
(MOQ)
Low Temperature Petroleum Product Freezing Point and Cloud Point Tester
US$
2,800.00
-
3,500.00
1 Piece
(MOQ)
1/4
Chongqing Fuootech Oil Purifier Technologies Co., Ltd.
11 yrs
·
Trading Company
Send Inquiry
Closed Cup Transformer Oil Flash Point Tester Insulating Oil Flash Point Tester
US$
1,800.00
-
2,300.00
1 Piece
(MOQ)
Fuootech FT-FPC ASTM D93 Automatic Transformer Oil Testing Machine Digital Closed Cup Flash Point Tester
US$
1,800.00
-
2,600.00
1 Piece
(MOQ)
Automatic ASTM-D93 Pensky-Martens FT-FPC Closed-Cup Flash Point Tester for Oil Testing
US$
2,000.00
-
2,800.00
1 Piece
(MOQ)
FT-FPC Oil Flash Point Tester for Transformer Oil
US$
1,800.00
-
2,300.00
1 Piece
(MOQ)
1/4
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
5.0
Send Inquiry
Asphalt Ring and Ball Tester High Heating Rate Accuracy Softening Point Tester
US$
1,500.00
-
5,000.00
1 Set
(MOQ)
TBT-261D Fully-automatic Pensky-Martens Closed-Cup Flash Point Tester
US$
1,500.00
-
3,900.00
1 Piece
(MOQ)
TBT-5208 Rapid Equilibrium Closed up Flash Point Tester
US$
4,500.00
-
5,000.00
1 Piece
(MOQ)
TBT3536D Fully-Automatic Cleveland Open-Cup Flash Point Tester
US$
1,200.00
-
3,000.00
1 Piece
(MOQ)
1/4
Guangdong Haida Equipment Co., Ltd.
5.0
Send Inquiry
Paper Board 4 Point Bending Stiffness Tester
US$
14,800.00
-
19,000.00
1 Set
(MOQ)
Haida Exclusive Paper Board Four Point Bending Stiffness Tester/Test Machine
US$
10,000.00
-
23,000.00
1 Set
(MOQ)
Seatbelt Anchor Point Strength Tester (electric cylinder type)
US$
5,000.00
-
15,000.00
1 Piece
(MOQ)
Advanced Microcomputer Control Hdt Vicat Softening Point Apparatus Tester
US$
2,500.00
-
5,500.00
1 Piece
(MOQ)
1/4
Guangdong Guangce Instrument Technology Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Precision Softening Point Tester for Universities Self-Inspection
US$
2,600.00
-
8,800.00
1 Set
(MOQ)
Factory Direct Sales Vicat Softening Point Tester with Accurate Temperature Control
US$
2,600.00
-
8,800.00
1 Set
(MOQ)
Cutting Edge Heat Deformation Vicat Tester Softening Point Tester with Modern Technology
US$
2,600.00
-
8,800.00
1 Set
(MOQ)
Computer Operated Softening Point Tester with Test Curve Display
US$
2,600.00
-
8,800.00
1 Set
(MOQ)
1/4
GLT(Shenzhen) Science and Technology Ltd
16 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
Digital Solid Samples Melting Point Tester Device with CE Ukca RoHS Certificate
US$
269.00
-
359.00
1 Piece
(MOQ)
Gltlab Lab Instrument Melting Point Device Solid Tester
US$
339.00
-
399.00
1 Piece
(MOQ)
Laboratory Melting Point Device Tester for Samples with Calibration CE RoHS Certificate
US$
299.00
-
399.00
1 Piece
(MOQ)
Gltlab Laboratory Melting Point Apparatus Device Tester with CE ISO Ukca Certificate
US$
269.00
-
359.00
1 Piece
(MOQ)
1/4
Hangzhou Eternalwater Filtration Equipment Co., Ltd.
15 yrs
·
4.9
·
Manufacturer/Factory & Trading Company
Send Inquiry
Absolute Rated Filter Integrity Tester for Forward Flow Test, Bubble Point Test
US$
6,690.00
-
7,200.00
1 Piece
(MOQ)
latest Design Pharmaceutical Bubble Point Filter Integrity Tester
US$
6,690.00
-
7,200.00
1 Piece
(MOQ)
Bubble Point, Diffusion, Water Intrusion Tester for Hydrophilic and Hydrophobic Filter Integrity
US$
6,690.00
-
7,200.00
1 Piece
(MOQ)
Integrity Tester for Measuring Filter Element Bubble Point and Forward Flow
US$
6,690.00
-
7,200.00
1 Piece
(MOQ)
1/4
Xiamen East Instrument Co., Ltd.
10 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High-Precision Thermal Deformation Tester for Vicat Softening Point
US$
1,881.00
1 Piece
(MOQ)
Precision Hdt Vicat Tester for Accurate Material Softening Point Measurement
US$
2,818.00
1 Piece
(MOQ)
Thermal Deformation Vicat Softening Point Tester for Plastic Materials
US$
3,000.00
1 Piece
(MOQ)
High Quality Automated Flash Point Tester for Electric Fuel Testing Devices
US$
2,100.00
1 Piece
(MOQ)
1/4
Suzhou Qiantong Instrument Equipment Co., Ltd.
12 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Single Phase Hdt / Vicat Heat Deflection Tester, Softening Point PC Device
US$
9,200.00
-
9,600.00
1 Piece
(MOQ)
Plastic Tension Tester with 3 Point Bending Clamps
US$
4,700.00
-
5,853.00
1 Piece
(MOQ)
Computerized Servo Metal Three-Point Bending Tester
US$
10,000.00
-
11,029.00
1 Piece
(MOQ)
Computer Control Plastic Industry Tensile Test Servo Motor Universal Material Testing Machine
US$
4,637.00
-
5,853.00
1 Piece
(MOQ)
1/4
Tunkia Co., Ltd.
20 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
TUNKIA TD1330 Tester for AC EV Charge Point AC EV Charger Tester
US$
30,000.00
-
66,000.00
1 Set
(MOQ)
TUNKIA TD1320 DC EV Charging Points Tester Charge Station Testing Deivce
US$
30,000.00
-
66,000.00
1 Piece
(MOQ)
Precision EV Charging Pile Tester TUNKIA TD1330 for AC Points
US$
30,000.00
-
60,000.00
1 Set
(MOQ)
TD1320 DC EV Charge Point Tester DCV 1000V DCI 250A
US$
30,000.00
-
66,000.00
1 Piece
(MOQ)
1/4
Dongguan Lituo Testing Instrument Co., Ltd.
18 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Lab Equipment Five Stations Single Point Holding Testing Instrument Push Lock Tester
Negotiable
1 Piece
(MOQ)
Five Stations Single Point Holding Tester Single Point Holding Testing Equipment
Negotiable
1 Piece
(MOQ)
High Accurate Measuring System High-Precision Skid-Mounted Measuring Tester
Negotiable
1 Piece
(MOQ)
Skid-Mounted Measuring Machine Adeptly Handling Tasks Metric Measurement Tester
Negotiable
1 Piece
(MOQ)
1/4
Kiyu Power Wuhan Co., Ltd
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fully Automatic Close Cup Flash Point Tester
US$
800.00
-
2,000.00
1 Piece
(MOQ)
Portable Sf6 Gas Water Contest Test Moisture Meter /Dew Point Tester
Negotiable
1 Piece
(MOQ)
Close Cup Flash Point Tester for Oil Testing Transformer Oil Close Cup Flashpoint Testing Equipment
US$
800.00
-
2,000.00
1 Piece
(MOQ)
Sf6 Dew Point Analyzer/Gas Trace Water Detemination Sf6 Moisture Analyzer Dew Point Tester
US$
3,000.00
-
5,000.00
1 Piece
(MOQ)
1/4
Wuhan Jiuhua Jingce Power Equipment Co., Ltd.
13 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Intelligent Sf6 Micro- Analyzer & Sf6 Purity Tester & Dew Point Meter
US$
2,500.00
-
2,799.00
1 Piece
(MOQ)
Handheld Transformer Neutral Point Turns Ratio Tester with CT Ratio Polarity Test Function
US$
995.00
-
1,050.00
1 Piece
(MOQ)
Multi-Functional Sf6 Decompostion Tester Intelligent Dew Point Meter
US$
2,500.00
-
2,899.00
1 Piece
(MOQ)
Sf6 Gas Decomposition Product Tester Intelligent Dew Point Meter Comprehensive Machine
US$
2,500.00
-
2,850.00
1 Piece
(MOQ)
1/4
HV Hipot Electric Co., Ltd.
20 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
SF6 Gas Dew Point Tester (Chilled Mirror Method)
US$
10,000.00
-
25,000.00
1 Piece
(MOQ)
HV HIPOT GDBS-305A Automatic Flash Point Closed Cup Tester For Petroleum Products
US$
2,500.00
-
4,000.00
1 Piece
(MOQ)
Customized GDWS-311RC Portable Resistance and Capacitance Dew Point Tester
US$
2,733.00
-
5,615.00
1 Set
(MOQ)
Karl Fischer Coulometric Titration Oil Moisture Meter Dew Point Tester
US$
2,000.00
-
8,000.00
1 Piece
(MOQ)
1/4
Paratronix Instruments Co., Ltd
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
ASTM E4 3/Three Point Bending Force Tester Universal Tensile Strength Tester Single Column Ett-a Multipurpose Tester
US$
2,000.00
-
20,000.00
1 Set
(MOQ)
Acupuncture and Moxibustion Needle, Blood Sampling Needle Point and Artificial Skin Puncture Force Tester
US$
5,199.00
-
8,999.00
1 Set
(MOQ)
Single Point Heat Seal Tester Laboratory Heat Sealer Heat Sealing Test Machine ASTM F2029
US$
2,000.00
-
20,000.00
1 Set
(MOQ)
Intravenous Infusion Needle Point and Artificial Skin Puncture Force Tester
US$
5,199.00
-
8,999.00
1 Set
(MOQ)
1/4
Wuhan UHV Power Technology Co., Ltd.
5 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Htws-V Purity Dew Point Fully Automatic Sf6 Comprehensive Tester
US$
2,980.00
1 Set
(MOQ)
Htzh-2h Sf6 Trace Moisture Tester Sf6 Gas Analyzer Purity Tester Dew Point Tester 3 in 1 Sf6 Comprehensive Gas Tester
US$
8,400.00
-
9,500.00
1 Set
(MOQ)
Htybs-H Advanced Scientific and Technological Closed Flash Point Tester
US$
2,050.00
-
3,500.00
1 Set
(MOQ)
GM-20kv Desktop Digital Megohmmeter I/R Tester / Insulation Resistance Tester / Mega Meter
US$
850.00
-
1,800.00
1 Set
(MOQ)
1/4
EP HIPOT ELECTRIC CO., LTD.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
China High Quality Sf6 Moisture Meter Dew Point Tester/Gas Analyser/Sf6 Moisture Concentration Meter
US$
1,200.00
-
2,999.00
1 Piece
(MOQ)
ASTM D92 Insulating Oil Cleveland Open Cup Flash and Fire Point Tester
US$
1,200.00
-
2,200.00
1 Set
(MOQ)
Ep Hipot Electric Multi-Functional Comprehensive Dew Point Ppm Purity Decomposition Sf6 Gas Tester
US$
1,099.00
-
5,400.00
1 Piece
(MOQ)
Electric Underground Cable Fault Locator Thumpers High Voltage Cable Fault Finder
US$
1,000.00
-
20,000.00
1 Piece
(MOQ)
1/4
Zhengzhou Laboao Instrument Equipment Co., Ltd.
Send Inquiry
Laboao Dropping Point Tester Oil Bath Lyd-4929A Dropping Point Softening Point Tester
US$
2,000.00
-
2,200.00
1 Piece
(MOQ)
Laboao Lyd-5208 Rapid Low-Temperature Flash Point Tester, GB/T 5208-2008 Compliant
US$
9,521.00
-
9,547.00
1 Piece
(MOQ)
Laboao Lyd-261-1 Pmcc Closed-Cup Flash Point Tester for Oil Laboratories
US$
1,500.00
-
1,760.00
1 Piece
(MOQ)
Laboao Lyd-261 Pensky-Martens Closed Cup Flash Point Tester for Petroleum
US$
1,500.00
-
1,760.00
1 Piece
(MOQ)
1/4
Beijing Zetron Technology Co., Ltd
8 yrs
·
5.0
·
Trading Company
Send Inquiry
New Upgrade Pharmaceutical Filter Bubble Point Filter Integrity Tester
US$
7,000.00
1 Piece
(MOQ)
New Upgrade Pharmaceutical Filter Bubble Point Filter Integrity Tester
US$
7,490.00
1 Piece
(MOQ)
Bubble Point Tester, Bubble Point Filter Integrity Test, Filter Integrity Tester
US$
7,000.00
1 Piece
(MOQ)
Fit-550 Automatic Filter Integrity Tester for Bubble Point and Diffusion Testing
US$
5,000.00
-
7,000.00
1 Piece
(MOQ)
1/4
1
42
Hot Products
Lab Equipment
Test Equipment
Testing Machine
Test Instrument
China Tester
Analysis Instrument
Toys Testing Machine
Testing Apparatus
Related Manufacturers & Supplier
Toy Testing Equipment Factories
Flash Point Tester Factories
Fire Point Tester Factories
Pour Point Tester Factories
Cloud Point Tester Manufacturers
Petroleum Instruments Manufacturers
Toy Testing Instrument Manufacturers
Toys Tester Manufacturers