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We Ningbo Zhongdi Industry & Trade Co.,Ltd is a professional manufacturer of soldering iron, temperature controlled soldering station, desoldering pump, glue gun, magnifying lamp, electric tool kits etc. Established in 1994, we have been in this industry more than 25 years with certification/conform of CE, EMC, TUV, RoHS and GS.


Thanks to the persistent adhering to the belief of “ Quality Excellent, Customer First, Intensify Management, Surpass Best”, we have been able to develop ourselves into an enterprise covering area of 10000 square meter, with annual yield of 10 million US$, exporting to over 50 countries.

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  • Tools for Electronics DIY: Soldering

    Soldering Iron 1.1   Ordinary Soldering Iron Fixed heat power adopted for the ordinary soldering iron; the temperature of the soldering iron tip is subject to the heat dissipation speed. Soldering iron with big power is only applicable for big parts/component, the one with small power applicable for smaller part/component. Oxidation will occur easily onto the tip and it’s not recommended even through it’s cheap. 1.1.1          Internal Heating Soldering Iron One of the vintages, extremely cheap. It’s with internal ceramic heater and quite safe. The advantage of it is high heat efficiency ...

  • Zhongdi New Products Pre-lunch

    Ningbo Zhongdi Industry & Trade Co.,Ltd, one of the leading manufacturer of soldering station, soldering iron and soldering related products since year of 1994.   Currently our orders have been scheduled till end of July, the sales target for first half of Chinese Year has been fulfilled. New orders will be also greatly welcomed and delivery can be made according to priority. We owe big thank you to all of our devoted customers, cooperative suppliers and diligent staff for the past five months for our accomplishment. Zhongdi will continuously adopt all means to satisfy our customer...

  • What is the soldering temperature you are pursuing?

    In most cases, the biggest factor affecting the lifespan of soldering iron tip is the soldering temperature. Before the formal implementation of RoHS regulations (restrictions on hazardous substances) on July 1, 2006, lead in solder wire is allowed. After that, the use of lead (and related substances) is prohibited except for the following equipment and processes: medical devices, monitoring and detection equipment, measuring instruments and equipment especially in military and aerospace fields including automotive sensors (automotive control systems and airbag products), railway transporta...