E-mail: sales@ykhaotai.com
Tel: +86-579-89297068
Contact Us

Zhejiang Hecheng (Hechin) Electric Technology Co.,Ltd

Address:No.8 Yunzhong Road, Baiyun Industrial Area, Yongkang 321300, Zhejiang, PRC.








Home > FAQ


Q:Are you a golden supplier?

A:Yes, Haotai is a golden supplier.

Q:What s your company s business type?

A:Haotai is a manufacturer and a trading company.

Q:What are your main products?

A:For oil immersed transformers, like Diamond dotted paper/DDP/DPP, Crepe paper tube, Kraft paper, pressboard and so on.

For dry type transformers, like Class F DMD, Prepreg DMD Resin Prepreg SHS, NMN, AMA, NHN, AHA and so on.

For electrical motors, like Polyester film, DMD, NMN, NHN Fish paper with polyester film.PMP and so on.

Q:Where is the nearest port?

A:Shanghai and Ningbo.

Q:What terms of payments do you accepts?


Q:What s the accepted payment types?

A:L/C、TT、Credit Card、Cash、West Union.

Q:How about the delivery time?

A:Within 30 days.

Q:Where does your products mainly exported to?

A:North America、South America、Southeast Asia、Africa、Mid East、Eastern Asia、Western Europe.

Q:Who are your main clients?

A:WEG、CG、ABB, etc.

Q:How many production machinery do you have?

A:We have 4 DMD production lines, 4 cutting machines, and 1 heating room.

Q:How about the testing machinery?

A:We have Electronic Universal Testing Machine, Oven, Moisture Tester, Voltage Testing System, and Viscometer

Q:How about your quality?

A:With high quality, many certifications can ensure our quality, such as ISO, UL, SGS, etc.

Q:Is there quality control on all production lines?

A:Yes, all production lines have adequate quality control.

Q:Does the company keep its supplier assessment reports?

A:Yes, assessment reports are available for the previous 12 months.

Q:Are the company s purchasing documents sufficient to ensure product safety control and their customers  requirements?

A:Yes, the purchasing document includes all the information required.

Q:Is there a procedure to conduct random product inspection after final packing?

A:Yes, with clear standard and written inspection records.

Q:Are there any clear procedures for handling customer complaints?

A:Yes, with clear procedures.

Q:Can finished/packaged products be traced by lot identification to the appropriate raw material test reports?

A:Yes, with procedures to trace raw materials.

Q:How are finished products inspected?

A:100% of products with detailed inspection.

Q:Are units that failed inspection clearly marked and separated to prevent accidental dispatch.

A:Yes, the units are separated and marked clearly.

Q:Does the company provide ODM service for others?


Q:Based on inspection, are R&D employees equipped with adequate specialized equipment?


Q:Are the designed products confirmed by the customers?

A:Yes, all the designed products have been confirmed.

Q:Has the company established standard design procedures for new products?

A:Yes, with clear written instructions.

Q:How about your daily production capacity?

A:12 tons.

Q:How about your R&D capacity?

A:Our employees with high education level and long work experience.

Q:Have the designed products been tested by a third-party inspection body?

A:Yes, part of designed products have been tested.

Q:What s your design process?

A:Process 1, new product development application form; process 2, sample making; process 3, testing report; process 4, internal review form.

Q:How about your production flow?

A:We have five steps, gluing, compounding, cutting, testing1, and testing2.

Q:Can I be a distributor of Haotai?

A:Of course you can.

Q:What's my consideration when I choose insulation materials?

A:-The raw materials must be A quality

-The steady of the different batch. Means manufacturer must test in details.

Q:What are the benefits of being a Haotai distributor?

A:-  Special discount .

- Marketing protection.

- Prepare the stock for you and offer a short delivery time for you.

- Point to point technical supports and after sales services.

Q:How can I become a distributor of Haotai?

A:Contact us immediately for further details by sending us an inquiry.

Q:Where is the nearest airport?

A:Yiwu airport (1 hour), international airport are Hangzhou( 2 hours ), Shanghai airport ( 3 Hours ).

Q:What is the width range?

A:From 4mm to 2000mm.

Q:Could you supply free samples?

A:Yes, A4 shape sample is free for customer, customer only pay the express.

Q:How many kg per roll?

A:About 50 kg/ roll,or can be requested by customers.

Q:Can I get the e-catalog?

A:of course you can.