Integrate Chinese Payment Gateway to PHP Game

I am in need of a skilled freelancer to help me integrate a Chinese payment gateway into my PHP game. The game is already developed and the payment gateway documentation as well as helping files for payout and pay-in are available.

Key Responsibilities:
- Integrate a Chinese payment gateway of your choice into my existing PHP game
- Ensure proper connection between the payment gateway and the game
- Implement necessary functions for both payout and pay-in
- Assist with setting up the admin panel for the payment gateway

Ideal Skills and Experience:
- Proficient in PHP and payment gateway integration
- Specific experience with integrating Chinese payment gateways, preferably {specific gateway}
- Strong familiarity with game development environments
- Excellent communication skills to ensure smooth cooperation in setting up the admin panel

Please note that the specific Chinese payment gateway was not specified by me. I'm open to your recommendation based on your expertise and experience in this area. Your attention to detail, quality of work, and ability to stick to deadlines are highly valued for this project.