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二零一七年年報
貿易通電子貿易有限公司
Notes to the Financial Statements
(Continued)
財務報表附註
（續）
2
會計估計及判斷（續）
於聯營公司的投資
本集團於每個報告期末審閱內部及外界所得
資料，以確定本集團所持聯營公司廣東南方
海岸科技服務有限公司（「南方」）權益（
附註
16
）是否出現減值或先前已確認的減值虧損
不再存在或已經減少的跡象。倘出現有關情
況，本集團會估計所持南方權益的可收回金
額。所持南方權益的可收回金額（或所歸屬
的現金產生單位）為售價淨值與使用價值之
較高者。於評估本集團於南方的權益賬面值
有否出現減值時，管理層亦考慮到南方相關
業務的預測活動量及水平、未來增長率以及
現金流量，並已按風險調整貼現率貼現至現
值。有關預測乃基於若干假設而作出，有關
假設乃根據管理層對南方的業務環境的認識
以及其對日後表現與相關風險的判斷而作
出。由於估計的過程及有關未來的相關假設
存在固有的不確定性，因此實際表現與所預
測者或會出現重大差別。
於可供出售債務證券的投資
如果由於一項或多項已發生的虧損事件對可
供出售債務證券投資的預計未來現金流量有
影響，即有客觀證據表明可供出售債務證券
的投資產生減值。本集團認為，如果在報告
日，可供出售債務證券的公允價值發生顯著
下降，或於
附註
1(k)(i)
載列的任何損失事件發
生，即有客觀證據表明可供出售債務證券產
生減值。
對可供出售債務證券是否減值的評估需要分
析特定發行人的信用狀況，並涉及管理層的
判斷。在評估可供出售債務證券的減值時，
本集團強調發行人的具體因素，如重大財務
困難、逾期或拖欠利息或本金。信用評級下
降、流動性惡化或公允價值下降而低於攤餘
成本本身不被視為虧損事件，而是與其他可
用資料一起納入減值分析。特別注意在每個
報告日期有累計公允價值虧損的可供出售債
務證券。
2 Accounting estimates and judgements
(Continued)
Investments in associates
The Group reviews internal and external sources of information at
the end of each reporting period to identify indications that the
Group’s interest in Guangdong Nanfang Haian Science &
Technology Service Company Limited (“Nanfang”), an associate of
the Group
(Note 16)
, may be impaired or an impairment loss
previously recognised no longer exists or may have decreased. The
Group estimates the interest in Nanfang’s recoverable amount when
any such indication exists. The recoverable amount of the interest in
Nanfang, or of the cash-generating unit to which it belongs, is the
greater of its net selling price and value in use. In assessing
whether there is any impairment in the carrying value of the
Group’s interest in Nanfang, management may take into
consideration the projected volume and activity level, future growth
rate, and cash flows of the underlying business of Nanfang,
discounted to present value at the risk-adjusted discount rate. These
projections are based on assumptions that take into consideration
management’s knowledge of Nanfang’s business environment and
their judgement on future performance and underlying risks. There
is inherent uncertainty in the estimation process and the underlying
assumptions relating to the future, and accordingly actual
performance may differ significantly from the projection.
Investments in available-for-sale debt securities
An investment in available-for-sale debt security is considered
impaired if there is objective evidence of impairment as a result of
one or more occurred loss events that have an impact on the
estimated future cash flows of the investment in available-for-sale
debt security. The Group determines that there is objective evidence
of impairment of an available-for-sale debt security, if at the
reporting date, there has been a significant decline in the fair value
of an available-for-sale security or any loss events set out in
Note
1(k)(i)
.
The evaluation of whether an available-for-sale debt security is
impaired requires analysis of the credit standing of a particular
issuer and involves management judgement. When assessing
impairment of available-for-sale debt securities, the Group places
emphasis on issuer specific factors, such as significant financial
difficulty, default or delinquency on interest or principal payments.
A credit rating downgrade, worsened liquidity or decline in fair
value below the amortised cost is not by itself considered a loss
event, but rather incorporated in the impairment analysis along with
other available information. Particular attention will be on those
individual available-for-sale debt securities for which there was a
cumulative fair value loss at each reporting date.