Guangdong Sina Industrial Technology Co., LTD was founded in 2015, a professional manufacturer engaged in R&D, manufacture and sales of frequency inverter, motor protection control device, soft start . petroleum, metallurgy, chemical industry, construction, paper making, mining and other industrial fields.

Siemens inverter 6SL3210-5BB17-5UV1 6SL3 210-5BB17-5UV1

Q1: Is the output voltage of our inverter stable ?
A: Absolutely. Our inverter is designed with a good regulator circuit. You can even check it when measuring the true value by a multimeter.

Q2: What should be noticed when installing inverter?
A: Put the product in a place where is well ventilate,cool, dry and water-proof. Do not stress or put foreign objects into the inverter. Remember to turn on the inverter before turn on the appliance.

Q3: Can I get some samples for test? 

A: Yes, sample order is available for quality check and market test . 

Q4: Do you accept OEM/ODM ?

A:Yes, we accept OEM/ODM with your authorization.

Q5: How is delivery time? 

A: Generally it takes 5-10 days for regular type , for big quantity or OEM/ODM orders, pls negotiate with sales.

Q6: What's your payment terms? 

A: We accept T/T, L/C, WEST UNION, ALI TRADE ASSURANCE, cash.

Q7: What's your warranty time? 

A: We offer 12 months warranty service, life time technique support.

Q8: How does your factory do the quality control? 

A: Quality is our culture. We have strict quality control department to supervise each link from assembling to shipping.

Q9: How can I trust you ? 

A: Sina has 12 years' experience in producing inverters, we have passed ISO9001 management system and got CE, CCC certificates. Assessment reports can be sent anytime if you require.