Transactions between the Group and Sinopec Corp., its subsidiaries and joint ventures


	2017		2018		2019
	RMB’000		RMB’000		RMB’000
Sales of petroleum products		39,992,682		49,209,765		50,354,162
Sales other than petroleum products		6,708,955		7,112,332		8,642,514
Purchases of crude oil		34,819,936		44,175,644		43,886,966
Purchases other than crude oil		4,987,955		8,996,814		9,579,239
Sales commissions		116,616		139,837		125,619
Rental income		28,368		29,551		31,972

The relevant amounts due from/to related parties


	As at 31 December
	2018		2019
	RMB’000		RMB’000
Amounts due from related parties
- Sinopec Corp., its subsidiaries and joint ventures		2,142,731		1,505,836
- Sinopec Group and its subsidiaries		457		-
- Associates and joint ventures of the Group		143,061		60,157

		2,286,249		1,565,993

Amounts due to related parties
- Sinopec Corp., its subsidiaries and joint ventures		4,238,963		4,756,382
- Associates and joint ventures of the Group		283,717		749,459
- Sinopec Group and its subsidiaries		45,134		202,553

		4,567,814		5,708,394

Lease liabilities
- Sinopec Group and its subsidiaries		—		15,571
- Joint ventures of the Group		—		698

		—		16,269

Cash deposits, maturing within 3 months
- Sinopec Finance		22,082		67,015

Contributions to defined contribution retirement plans


	Year ended 31 December
	2017		2018		2019
	RMB’000		RMB’000		RMB’000
Municipal retirement scheme costs		249,578		262,728		258,328
Supplementary retirement scheme costs		66,546		75,312		125,370

Investment commitments with related parties


	As at 31 December
	2018		2019
	RMB’000		RMB’000
Capital contribution to Shanghai Secco (i)		111,263		111,263
Capital contribution to Shidian Energy (ii)		-		80,000

		111,263		191,263

(i)

Pursuant to the resolution of the 18th meeting of the 7th term of Board of Directors on 5 December 2013, the Group was approved to make capital contribution of USD 30,017 thousands (RMB 182,804 thousands equivalent) to Shanghai Secco, an associate of the Group. As at 31 December 2019, the Company has contributed RMB 71,541 thousands to Shanghai Secco. According to the approval by Shanghai Municipal Commission of Commerce as issued on 19 October 2015, the rest of the capital contribution to Shanghai Secco should be within 50 years starting from its registration date.

(ii)

Pursuant to the articles of association of Shidian Energy in August 2019, Toufa agreed to make capital contribution of RMB 400,000 thousands to acquire 40% share of Shidian Energy. As at 31 December 2019, Toufa has contributed RMB 320,000 thousands to Shidian Energy, and the rest of the capital contribution to Shidian Energy should be paid before January 2022 in accordance with the agreement.