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TEST

TEST REPORT

This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/term_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder if this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only except perishable samples.

Laboratory: 1/F, 3/F, 4/F & 5/F On Wui Centre, 25 Lok Yip Road, Fanling, N.T., Hong Kong www.sgsgroup.com.hk SGS Hong Kong Ltd. Office: 17/F, The Octagon, 6 Sha Tsui Road, Tsuen Wan, N.T., Hong Kong t (852) 2334 4481 f (852) 2764 3126 e mktg.hk@sgs.com .

Member of the SGS Group (SGS SA)

Contact DAVID LEE Manager SGS HONG KONG LIMITED

Client HEALTHY HOMES (HK) LTD Laboratory ENVIRONMENT, HEALTH AND SAFETY

Address 9TH FLOOR, CHAIWAN INDUSTRIAL

CENTRE,

20 LEE CHUNG STREET, CHAI WAN,

HONG KONG

Address 1/F, 3/F, 4/F & 5/F ON WUI CENTRE, 25 LOK

YIP ROAD, FANLING, N.T.

Telephone 852 2516 9199 Telephone 852 2774 7177

Facsimile - Facsimile 852 2334 2461

Email DAVID@RAINBOWSYSTEM.COM.HK Email -

Order Number - Report Number HKIEQ17-00221 R0

Samples Air (1) SGS Reference -

Project Default Project Date Reported 2017/11/15

WING YAN CHAN

Laboratory Executive

CLIENT DETAILS LABORATORY DETAILS

COMMENTS

SIGNATORIES

TEST REPORT HKIEQ17-00221 R0

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This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/term_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder if this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only except perishable samples.

Member of the SGS Group (SGS SA) Laboratory: 1/F, 3/F, 4/F & 5/F On Wui Centre, 25 Lok Yip Road, Fanling, N.T., Hong Kong www.sgsgroup.com.hk SGS Hong Kong Ltd. Office: 17/F, The Octagon, 6 Sha Tsui Road, Tsuen Wan, N.T., Hong Kong t (852) 2334 4481 f (852) 2764 3126 e mktg.hk@sgs.com .

Name of System Unit:

System Unit: RAINBOW

Model No.: Rainbow E2 Black

Testing Period: 25th Oct 2017 – 2nd Nov 2017

Test Method

Reference Standard: GB/T 18801-2015

Test Item: Removal rate test of formaldehyde (testing time:3 hours)

Standard substance sheet

Name Specification Supplier Used this time(√)

Test chamber 3.5mx3.4mx2.5m=30m3,

stainless steel interior Simplewell Technology Co., Ltd √

Formaldehyde AR 37% J&K scientific Co., Ltd √

Sample Number Sample Location Sampling Date Test Required

--

HKIEQ17-00221.001 Inside test chamber 25th Oct 2017 – 2nd Nov

2017 Removal rate of formaldehyde

TEST REPORT HKIEQ17-00221 R0

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This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/term_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder if this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only except perishable samples.

Member of the SGS Group (SGS SA) Laboratory: 1/F, 3/F, 4/F & 5/F On Wui Centre, 25 Lok Yip Road, Fanling, N.T., Hong Kong www.sgsgroup.com.hk SGS Hong Kong Ltd. Office: 17/F, The Octagon, 6 Sha Tsui Road, Tsuen Wan, N.T., Hong Kong t (852) 2334 4481 f (852) 2764 3126 e mktg.hk@sgs.com .

Lab ID HKIEQ17-00221.001 HKIEQ17-00221.001 HKIEQ17-00221.001

Sample Matrix Air Air Air

Sample

Description

Total removal rate Natural removal rate Removal rate

Receive Date - - -

Parameter Method Units LOR

Removal rate of formaldehyde including Total removal rate and Natural removal rate

Formaldehyde - % - 73.0 17.7 55.3

Remarks: The samples were performed by affiliate laboratory assessed as competent.

*** End of Report ***

CFU Colony forming unit

LOR Limit of Reporting

Sample analyzed as received

This test document cannot be reproduced in any way, except in full content without prior approval in writing by the laboratory.

FOOTNOTES

TEST REPORT HKIEQ17-00221 R0

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This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/term_e-document.htm. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder if this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only except perishable samples.

Member of the SGS Group (SGS SA) Laboratory: 1/F, 3/F, 4/F & 5/F On Wui Centre, 25 Lok Yip Road, Fanling, N.T., Hong Kong www.sgsgroup.com.hk SGS Hong Kong Ltd. Office: 17/F, The Octagon, 6 Sha Tsui Road, Tsuen Wan, N.T., Hong Kong t (852) 2334 4481 f (852) 2764 3126 e mktg.hk@sgs.com .

Appendix 1 - Photo of system