Wii Tech, which we hope you won't confuse with Nintendo or WE, is a company based in Hong Kong that has been doing OEM AEG products for years now, which they actually started in 2001 as a parts supplier. They have decided now to put up products under their own brand, and they have designed Enhanced AEG Gearboxes and upgrade parts. The photo above is their High Torque 9mm Gearbox for the A&K-made Masada.

They have more products such as the high performance version 3 gearboxes, enhanced tappet plates, and other internal parts. Their website is still under development, but you can do business with them as they can already take orders for their existing products.

Some more information that they would like to share to you:

"Please register ‘wholesale account’ for all wholesale prices.

About the products:

1. 7mm bearing gearbox is designed for high speed (rapid firing, SWL 1.8J) shooting.
2. 8mm and 9mm bearing gearboxes are designed for high torque (high power, SWL 3J) shooting.
3. All gearboxes can increase about 10% power output than T. Marui/Systema/G&P/King Arms, etc (despite you use the same spring and piston).
4. All piston can increase about 2% power output than T. Marui piston (despite you use the same spring and gearbox)
5. All cylinder can also increase about 3% power output than T. Marui and other cylinders (despite you use the same spring and gearbox)."