标题（Title） 一般不超过80个字符
Petroleum product analysis instrument_Highway inspection instrument_Laboratory instrument_Geological instrument-Shanghai...
（123 个字符）
关键词（KeyWords）一般不超过100个字符
Geological Instruments, Petroleum Product Analysis Instruments, Highway Testing Instruments, Kinetic Viscosity Testers, Saturated Vapor Pressure Thermostatic Cooling Baths
（171 个字符）
描述（Description）一般不超过200个字符
Shanghai Changji Geological Instrument Co., Ltd. develops and produces four major product lines: petroleum equipment, highway equipment, laboratory equipment, and address equipment. Oil products, highway instruments, and other products are sold to more than 20 countries and regions across the country and overseas, and are used by users all over the world. Welcome and affirmation.
（382 个字符）
