Topological Structure of Manufacturing Industry Supply Chain Networks

Table 1

Classification of directed material flow SCNs considered in the study.

Reference	Industry group	Subindustry classification	Number of tiers	Total nodes	Total links
1	Aircraft engines and engine parts	N/A	6	468	605
2		N/A	4	2025	16,225
3	Arrangement of transportation of freight and cargo	N/A	4	116	119
4		N/A	5	626	632
5	Chemical	Soap and other detergents, except specialty cleaners	4	133	164
6		Perfumes, cosmetics, and other toilet preparations	7	186	359
7		Pharmaceutical preparations	9	253	253
8		Paints, varnishes, lacquers, enamels, and allied products	3	271	524
9		Primary batteries, dry and wet	5	617	753
10		Perfumes, cosmetics, and other toilet preparations	5	844	1685
11		Perfumes, cosmetics, and other toilet preparations	8	976	1009
12		Industrial organic chemicals	4	1479	2069
13	Computer-related	Semiconductors and related devices	2	108	452
14		Computer peripheral equipment	5	152	211
15		Computer peripheral equipment	8	154	224
16		Computer peripheral equipment	9	156	263
17		Computer peripheral equipment	10	156	169
18		Computer storage devices	8	577	2262
19	Electrical	Electromedical and electrotherapeutic apparatus	7	145	224
20		Power-driven handtools	6	334	1245
21		Electromedical and electrotherapeutic apparatus	5	482	941
22		Telephone and telegraph apparatus	3	1206	4063
23		Electromedical and electrotherapeutic apparatus	6	1386	1857
24	Farm machinery and equipment	N/A	3	409	853
25		N/A	4	706	908
26		N/A	4	1451	4812