Xinghui environmental materials: Announcement on the reply to the inquiry letter of the annual report of Shenzhen Stock Exchange

Securities code: 300834 securities abbreviation: Xinghui environmental materials Announcement No.: 2022025 Xinghui environmental protection materials Co., Ltd

Announcement on the reply to the inquiry letter of the annual report of Shenzhen Stock Exchange

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

Xinghui environmental protection materials Co., Ltd. (hereinafter referred to as “the company”) received the inquiry letter on the annual report of Xinghui environmental protection materials Co., Ltd. (GEM annual report inquiry letter [2022] No. 9) from Shenzhen Stock Exchange on March 19, 2022 (hereinafter referred to as “the inquiry letter”). The board of directors of the company attached great importance to this and carefully checked the relevant matters. The reply is as follows:

Question 1 Your company’s main business is the R & D, production and sales of polystyrene. During the reporting period, styrene accounted for 85.90% of your company’s total procurement. The total procurement amount of the top five suppliers was 13868657 million yuan, accounting for 85.04% of the total annual procurement. Please provide additional information about your company’s transactions with the top five suppliers during the reporting period, including but not limited to the transaction amount, main products, procurement mode, pricing method, whether there is a relationship, whether there is a change from the previous year, etc., explain whether your company has a significant dependence on individual suppliers, conclude the situation of Companies in the contract industry, and explain the reasons for your company’s high concentration of suppliers and commercial rationality.

reply:

(I) transactions of the company’s top five suppliers in the reporting period and the previous period

Unit: 10000 yuan

Annual order supplier purchase pricing method purchase amount proportion

Number name content mode

As agreed by CNOOC and shell under the framework contract

1. The calculation rules of long-term combined price of petrochemical styrene shall be calculated according to the daily price within the approximate purchase period of 5496268 33.70% Co., Ltd

Average settlement method

Market price settlement of Ningbo Zhongzhe spot purchase on the same day

2. Styrene purchase calculation of products Co., Ltd. 3567323 21.87% 2021 company

According to the framework contract, CNOOC Guangzhou

East sales has the calculation rules of long-term combined price of styrene, which is calculated according to the daily price during the purchase period of 1813675 11.12% 3 limited company

Average settlement method

According to the long-term pricing rules of Ningbo Daxie petroleum contract, the price of styrene is about 145882%

Calculated on the basis of daily price during the limited period of petrochemical industry

Company law average settlement

Subtotal 3270857 20.06%

China Petroleum & Chemical Corporation(600028)

Market price settlement on the day of spot purchase of chemical sales

Styrene purchase calculation of Co., Ltd. 1092877 6.70% South China branch

department

4 China Petroleum & Chemical Corporation(600028)

Market price settlement on the day of spot purchase of chemical sales

Rubber purchase calculation of Co., Ltd. 640.04 0.39% East China branch

department

Subtotal 1156881 7.09%

Market price settlement on the day of spot purchase of Dongguan Sancai

Step 5 trading has a rubber purchase calculation of 377328 2.31% limited

Total 13868657 85.04%

CNOOC agreed in accordance with the framework contract

Ningbo Daxie styrene long-term price calculation rules are calculated according to the daily price during the procurement period of 1241887% and 11.98% Petrochemical Co., Ltd

Company law average settlement

According to the framework contract, CNOOC Guangzhou

East sales has the calculation rules of long-term combined price of styrene, which is calculated according to the daily price during the purchase period of 647003 6.24% limited company

Average settlement method

1. CNOOC marketing is in accordance with the framework contract

There are long-term price calculation rules for styrene sold in Shenzhen, which shall be calculated according to the daily price during the purchase period of 611290 5.89% limited company

Average settlement method

CNOOC East according to the framework contract

Fang Petrochemical has the calculation rules of long-term combined price of styrene, which is calculated according to the daily price during the procurement period of 126571 1.22% 2020 Liability Convention

Judicial average settlement

Subtotal 2626752 25.33%

Market price settlement of Ningbo Zhongzhe spot purchase on the same day

2. Styrene purchase calculation of products Co., Ltd. 2605648 25.13% company

As agreed by CNOOC and shell under the framework contract

3. The calculation rules of long-term combined price of petrochemical styrene shall be calculated according to the daily price during the procurement period of 2407119 23.21% Co., Ltd

Average settlement method

Market price settlement of Nantong Chemical spot purchase on the same day

4 Light Industry Co., Ltd. styrene purchase calculation 570602 5.50%

Market price settlement of Sinopec spot purchase on the same day

5 sales limited styrene purchase calculation 290087 2.80% company

Total 8500209 81.97%

Note 1: enterprises controlled by the same actual controller have been consolidated and disclosed.

Note 2: CNOOC Ningbo Daxie Petrochemical Co., Ltd., CNOOC Guangdong Sales Co., Ltd., CNOOC sales Shenzhen Co., Ltd. and CNOOC Dongfang Petrochemical Co., Ltd. are controlled by CNOOC Group South China branch of China Petroleum & Chemical Corporation(600028) Chemical Sales Co., Ltd. and East China branch of China Petroleum & Chemical Corporation(600028) Chemical Sales Co., Ltd. are controlled by China Petroleum & Chemical Corporation(600028) group.

The purchase amount of the company’s top five suppliers in the reporting period and the previous period accounted for more than 80%, and the purchase contents were styrene and rubber, the main raw materials of the company’s daily production. Dongguan Sanbu Trading Co., Ltd. was added to the top five suppliers in the reporting period. It is not only the rubber supplier of the company, but also the top ten supplier in the previous period. During the reporting period, the procurement mode and pricing method of the company and Dongguan Sanbu Trading Co., Ltd. remained unchanged compared with the previous period.

The company adopts the mode of combining long-term contract and spot procurement for styrene procurement, mainly long-term contract procurement. The long-term contract procurement mode is that the company signs an annual framework agreement with the styrene manufacturer at the beginning of the year to agree on the annual supply and the calculation rules of the price. During the actual procurement, both parties determine the procurement quantity and settlement price according to the established rules. The spot purchase mode is that the company conducts real-time purchase according to product sales, raw material inventory and production plan as a supplement to long-term contract purchase. The styrene purchase mode and pricing method of the company have not changed in the reporting period and the previous period.

To sum up, the purchasing situation of the first five suppliers in the company’s reporting period has not changed significantly compared with the previous period.

(II) basic information of the company’s top five suppliers in the reporting period

Is there an association

Serial number supplier name ownership structure registration time cooperation history

relationship

Shell Nanhai private

CNOOC Shell Petrochemical Co., Ltd. 50%

1. Investment in Offshore Petrochemical Industry from December 28, 2000 to now no

limited company

Limited company 50%

Zhongzhe holding group

Limited company 90%, Ning

Bomeishan bonded port area

Ningbo Zhongzhe Products Co., Ltd. Zhenfeng Investment Management Co., Ltd

2 companies (limited partnership) 2017 / 01 / 192018 to date no

company

(partner) 8.5%, Ningbo

Xiyue Enterprise Management Co., Ltd

Limited company 1.5%

CNOOC Guangdong has CNOOC refining and Chemical Co., Ltd

Limited liability company 100% 2005 / 11 / 152020 present no

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