UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. )*

China Valves Technology Inc.

(Name of Issuer)

Common New

(Title of Class of Securities)

169476 20 7

(CUSIP Number)

September 14, 2010

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

þ Rule 13d-1(c)

o Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. 29355M200

1.	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) SAM Sustainable Asset Management AG
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) o (b) o
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Switzerland
NUMBER OF SHARES		5.	SOLE VOTING POWER 2135541
BENEFICIALLY OWNED BY EACH		6.	SHARED VOTING POWER 0
REPORTING PERSONWITH:		7.	SOLE DISPOSITIVE POWER 2135541
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2135541
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.83%
12.	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) OO

ITEM 1.	(a)	Name of Issuer:
		China Valves Technology Inc.

	(b)	Address of Issuer's Principal Executive Offices:
		No. 93 West Xinsong Road
		Kaifeng City, Henan Province
		Zhengzhou, 475002, China

ITEM 2.	(a)	Names of Persons Filing: SAM Sustainable Asset Management AG

	(b)	Address of Principal Business Office or, if None, Residence:
		Josefstrasse 218, 8005 Zurich

	(c)	Citizenship: Switzerland

	(d)	Title of Class of Securities: COMMON NEW

	(e)	CUSIP Number: 169476 20 7

ITEM 3.		IF THIS STATEMENT IS FILED PURSUANT TO §§240.13D-1(B) OR 240.13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A:

	(a)	o	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

	(b)	o	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

	(c)	o	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

	(d)	o	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

	(e)	o	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).

	(f)	o	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F).

	(g)	o	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G).

	(h)	o	A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813).

	(i)	o	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3).

	(j)	o	Group, in accordance with §240.13d-1(b)(1)(ii)(J).

		If this statement is filed pursuant to Rule 13d-1(c) check this box: þ

ITEM 4.	OWNERSHIP.

	Provide the following information regarding the aggregate number and percentage of the class of securities of the Issuer identified in Item 1.

	(a)	Amount beneficially owned 2135541 common shares

	(b)	Percent of class: 5.83%

	(c)	Number of shares as to which the person has:

		(i)	Sole power to vote or to direct the vote: 2135541

		(ii)	Shared power to vote or to direct the vote: 0

		(iii)	Sole power to dispose or to direct the disposition of: 2135541

		(iv)	Shared power to dispose or to direct the disposition of: 0

	Instruction. For computations regarding securities which represent a right to acquire an underlying security see §240.13d-3(d)(1).

ITEM 5.	OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.

	Instruction: Dissolution of a group requires a response to this item.

ITEM 6.	OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

	SAM Sustainable Asset Management AG is filing this Schedule 13G in its capacity as investment adviser with discretionary authority with respect to various advisory clients. No individual advisory client is known to have beneficial ownership of 5% of the outstanding shares of China Valves Technology Inc.

ITEM 7.	IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON.

	n/a

ITEM 8.	IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

	n/a

ITEM 9.	NOTICE OF DISSOLUTION OF GROUP.

	n/a

ITEM 10.	CERTIFICATION.

	By signing below we certify that, to the best of our knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect

		SIGNATURE

		After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct.

Dated:		September 22, 2010

By:		Christian Hasler
		Legal & Compliance Officer