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Tianjin Top Instrument Co., Ltd. (Tianjin Optical Instrument Factory)

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BrandTop Instrument
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelHF-2D
Instrument TypeManual Pellet Press
Maximum Pressure Capacity15 t
Die Cavity DiameterΦ20 mm
Ejection MechanismIntegrated Manual Demolding System
PricingUSD 198 (FOB Tianjin)
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BrandTopo
ModelWSZ-1D
ConstructionSolid steel honeycomb core with high-permeability stainless steel top plate
Surface roughness≤ 0.8 µm
Flatness≤ 0.05 mm per m²
Mounting patternM6 threaded holes on 25 × 25 mm or 50 × 50 mm grid
Height800 mm
Available sizes (L × W × H)1200 × 800 × 800 mm
Vibration amplitude≤ 3 µm (under ambient laboratory conditions)
Core materialMedium-carbon steel honeycomb structure
Top plate materialHigh-permeability stainless steel (magnetic compatibility optimized)
OriginTianjin, China
Manufacturer typeOEM/ODM producer
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BrandTop Instruments (TP)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelFW-4A
Instrument TypeManual Hydraulic Pellet Press
Pressure Range0–24 tons (0–392 MPa equivalent)
Piston Cross-sectional Area0.6 dm² (60 cm²)
Stroke20 mm
Working Chamber Dimensions110 mm × 120 mm
Oil Reservoir Capacity400 mL
Overall Dimensions470 mm × 380 mm × 200 mm
Net Weight49 kg
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BrandTop Instrument
ModelHW-3A
TypeBenchtop Infrared Drying Oven
Temperature Range70–150 °C
Temperature Uniformity±0.5 °C
Internal Chamber Dimensions206 mm × 200 mm × 294 mm (L×W×H)
External Dimensions235 mm × 260 mm × 445 mm (L×W×H)
Rated Voltage/FrequencyAC 220 V, 50 Hz
Total Rated Power600 W (Infrared Heater: 250 W
Convection Heater350 W)
Net Weight3.5 kg
Gross Weight4.0 kg
Timer Range0–15 min (adjustable in 1-min increments)
Heating ModesDual-mode (infrared irradiation + resistive convection)
Safety ComplianceCE-marked design principles
conforms to IEC 61010-12010 for laboratory electrical equipment
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BrandTopo / TP
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelFW-5
Price RangeUSD 140 – 700
Instrument TypeManual Hydraulic Pellet Press
Maximum Force Capacity0–15 t (147 kN)
Maximum Stroke30 mm
Piston Diameter90 mm
Working Chamber Dimensions110 mm × 120 mm
Oil Reservoir Capacity300 mL
Overall Dimensions200 mm × 140 mm × 420 mm
Operating Pressure Limit≤44 MPa
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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Instrument TypeManual Hydraulic Pellet Press
ModelFW-12T
Max Pressure0–12 t (0–117.6 kN)
Piston Diameter70 mm
Max Stroke20 mm
Working Chamber Dimensions110 mm × 120 mm
Oil Reservoir Capacity300 mL
Overall Dimensions180 mm × 150 mm × 420 mm
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BrandTopo
ModelFW-4A-1
TypeManual Hydraulic Pellet Press
Maximum Pressure0–24 tons
Piston Diameter110 mm
Max Stroke20 mm
Working Chamber Dimensions110 mm × 120 mm
Oil Reservoir Capacity600 mL
Overall Dimensions220 mm × 150 mm × 420 mm
OriginTianjin, China
ManufacturerTopo (OEM Producer)
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BrandTopo
ModelFW-30T
TypeManual Hydraulic Pellet Press
Maximum Pressure0–30 t (294 kN)
Piston Diameter110 mm
Max Stroke20 mm
Working Chamber Dimensions110 mm × 120 mm
Oil Reservoir Capacity600 mL
Overall Dimensions220 mm × 150 mm × 420 mm
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Vacuum Range0–0.1 MPa
Temperature Range30–150 °C (adjustable in 1 °C increments)
Temperature Uniformity±2 °C across working chamber
Input VoltageAC 220 V ±10%, 50 Hz
Power Consumption300 W
Integrated Vacuum Pump Socket Rating≤220 V, 5 A
External Dimensions350 × 350 × 240 mm (L×W×H)
ManufacturerTop Instrument (Tianjin, China)
OriginChina
TypeBenchtop Vacuum Drying Oven
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BrandTOP (Tianjin)
ModelHV-1
Output Voltage Range0–1000 V DC, Continuously Adjustable
Max. Output Current1.5 mA DC
Voltage Display3½-digit LED
Voltage Stability≤0.03 %/h
Control ModeManual (optional auto-control interface available upon request)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Domestic ClassificationDomestic Equipment
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BrandTOP (Tianjin)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelHF-2A
Instrument TypeManual Pellet Press
Compatible Die Diameter13 mm
Maximum Pressure Capacity15 metric tons
Required AccessoryHF-6 Tablet Holder Insert
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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelFW-4
Instrument TypeManual Hydraulic Pellet Press
Maximum Pressure24 tons (235.4 kN)
Piston DiameterØ90 mm
Stroke Length20 mm
Net Weight24.5 kg
Working Chamber Dimensions120 × 120 mm
Overall Dimensions200 × 150 × 420 mm
PackagingWooden Crate
Warranty12 months standard warranty, lifetime technical support and repair service
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