Dimensions(mm) | Working Load Limit | ||||||||
A | B | C | d1 | d2 | E | F | G | H | (kg) |
50 | 104 | 55 | 16.5 | 24.5 | 27 | 25 | 50 | 24.25 | 5000 |



3. Other 4*4 Car Towing Hitch Receiver



Welcome to Qingdao Thinkwell Hardware & Machinery Co., Ltd, the one-stop provider for rigging hardware, electric power fittings, and trailer hitch accessories. We focus on manufacturing, R&D, domestic sales, and international exports, using an integrated supply chain, marketing, and quality management system. Our products are widely exported to the USA, Germany, France, Canada, Australia, the Middle East, India, and Singapore, serving customers globally. We are proud of our industry leadership and consistent customer satisfaction through years of dedication and innovation.
THINKWELL Story:
Since 2002, Thinkwell has been manufacturing cargo hooks, shackles, and other rigging hardware under the name Xintai Rigging. In 2011, we obtained import-export rights and rebranded as Qingdao Thinkwell Hardware & Machinery Co., Ltd. In 2014, we expanded beyond rigging hardware into forging electric power fittings. From 2015, we developed new series of trailer hitch accessories based on market demand and secured design patents. Today, we focus more on customer service and export business, supported by a diverse production structure and strong sales and QC teams.
Quality Control:
1. Tensile strength tests are conducted for each batch. Detailed test reports and pictures are available after order placement.
2. Surface tolerance, zinc finish, and painting finish are tested according to customer specifications.
3. Product weight is within a reasonable tolerance.
4. Each part's dimensions follow technical drawings and international standards.
5. Harness testing is available upon request.
6. Salt spray testing is offered for strict quality control; additional charges apply.
7. Chemical analysis is available but requires extra fees.
8. Any other testing needs can be accommodated—please let us know how we can assist you.
Regular Packaging:
Carton with pallet. Includes iron, wooden, and non-fumigation pallets. Plastic film with iron cage for large or irregular items. Wooden cases for goods over 1.2 tons. Custom packaging is available at an additional cost.
Shipping:
DHL, UPS, FEDEX, etc.—3-5 days, door-to-door. COSCO, MSK—fast and competitive ocean shipping. Train transportation is also available upon request.
>>> ADVANTAGES:
1. Raw materials come from top 10 steel companies in China.
2. Sample first, then bulk production.
3. Quality control reports are mandatory before shipment.
4. ISO and SGS certified for quality assurance.
5. R&D and customized products are our main focus.
6. A 20ft container order is typically shipped within 25 days.
7. 24-hour online support for global clients.
8. A team of 12 sales consultants and 5 document assistants ensures efficient problem-solving.
>>> FAQ:
1. Can I be your agent? Yes, we welcome long-term cooperation. Please contact us for details.
2. Is OEM available? Yes, we have professional designers to help with brand development.
3. How can I get a sample? After price confirmation, samples are free, but shipping costs apply.
4. What is your quality guarantee? We offer 100% quality assurance and will take responsibility for any issues.
5. What is the delivery time? It depends on the product and quantity, but generally takes about a month for a container.
6. What benefits do you bring? Your clients will be satisfied with the quality.
Yolanda Li
24-Hour Online Support – Feel Free to Contact Me for Any Questions.
Electric Acoustic Guitar,Semi Acoustic Guitar,Solid Acoustic Guitar,Wholesale Acoustic Guitar
GUANGZHOU GIDOO MUSICAL INSTRUMENT CO.,LTD , https://www.kaysenguitar.com