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test pen
763 Products|186 Suppliers
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Ph test pen Digital Controller Ph Meter ArduinoUS$ 16 - 19MOQ: 1 PieceNingbo Sinotester Biological Co., Ltd. -
AC Voltage Detector 90V to 1000V electrical voltage test penUS$ 2.3 - 2.5MOQ: 40 SetsHongtong Instrument Co., Ltd. -
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Choose suppliers with platform-verified icons for trusted status2Verify CertificationsValidate supplier certifications (ISO, CE, etc.) for test pen compliance3Sample Testing FirstAlways test product samples before large orders4Visit FactoriesConduct on-site audits for manufacturing verification5Payment TermsUse escrow services for high-value transactions6Contract ClarityDefine penalties for delays/spec deviations in test pen contracts -
Electrical test pen screwdriver,electric voltage screwdriver testerUS$ 0.1 - 5MOQ: 600 Piecestarpaulin Co., Ltd. -
2016 FINDER 7PCS Insulated Philips and Slotted Screwdriver Set with test penUS$ 4.04 - 4.04MOQ: 600 PiecesJinhua City Finder Hardware Co., Ltd. -
YUTE Electrical test pen&Voltage Detector InsulatedUS$ 0.1 - 4.5MOQ: 2000 SetsNingbo Yute Tool Co., Ltd. -
Salinity Meter AZ 8371 Salinity testing pen Aquarium Salinity meterUS$ 48.75 - 54.63MOQ: 1 UnitShenzhen Hengkaituo Sci-Tech Co., Ltd. -
Low-E Glass Film Testing Tools Low-E Glass Film Side Testing PenUS$ 40 - 100MOQ: 1 PieceMingmei Machinery Co., Ltd. -
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