Aliexpress
Click here… to search for HSKRC X328 328mm RC Frame Kit on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (28.36 USD): BGJUNEGSG9
Coupon (28.68 USD): BGGAL8
Coupon (28.68 USD): BGJON8
Coupon (28.68 USD): BGRCParts8
Coupon (28.68 USD): hoNEYbGdeAlS
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 0e7f33, FBCOUPON1, BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, Parts8, Tabby20, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for HSKRC X328 328mm RC Frame Kit? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).